Vascuri et al10 reported synthesis and characterization of relate

Vascuri et al10 reported synthesis and characterization of related substances of paliperidone. Few impurities in paliperidone have been also reported by Jadhav et al,11 out of which two were identified as degradation products, but their degradation chemistry is not reported. In reported methods9 and 11 photolytic stress studies have been carried

out for drug in only solid state. With this background it was really necessary to characterize all possible degradation products of paliperidone under various stress conditions in accordance with regulatory guidelines.2 and 3 The present manuscript describes the (i) degradation behaviour of paliperidone under hydrolysis (acid, alkali and neutral), oxidation, photolysis and thermal stress conditions, (ii) optimization of LC conditions to separate the drug and its degradation products on a reversed UMI-77 research buy phase C18 column, (iii) method selleck screening library validation, (iv) characterization of degradation products with the help LC–MS experiments and (v) proposed fragmentation

pathways of degradation products. Paliperidone was supplied by Cadila Healthcare Ltd. (Ahmedabad, India). Acetonitrile and methanol (HPLC grade) were procured from Merck (Mumbai, India) and used without purification. Analytical reagent grade (AR) hydrochloric acid, sodium hydroxide pellets, hydrogen peroxide solution were purchased from S. D. Fine Chemicals (Mumbai, India). Ultrapure water was obtained from a water purification unit (Elga Ltd., Bucks, England). Buffer materials and all other chemicals were of AR grade. High precision water bath equipped PDK4 with MV controller (Lab-Hosp Corporation, M.S., India) capable of controlling the temperature with in ±1 °C was used for generating hydrolytic degradation products. The thermal degradation study was performed using a high precision hot air oven (Narang Scientific Works, New Delhi, India) capable of controlling temperature with in ±2 °C. Photo degradation study was carried out in a photostability chamber (GMP, Thermolab Scientific Equipments Pvt. Ltd., Mumbai, India). The analyses were carried out on

Jasco HPLC (Jasco International Co., Tokyo, Japan) equipped with binary pump (PU-2080 plus), solvent mixing module (MX-2080-31), multi-wavelength PDA detector (MD-2010 plus), an interface box (LC-NET ΙΙ/ADC), a rheodyne manual injector (7725i, USA) and chrompass data system software ver. 1.8.1.6. The separations were carried out on a Hypersil Gold C18 (4.6 × 250 mm, 5 μm) analytical column (Thermo Scientific, Japan). The LC–MS analyses were carried out on a 500-MS LC Ion Trap Mass spectrophotometer (Varian Inc., USA) in which the HPLC part comprised of an auto sampler (410, Prostar), solvent delivery module (210, Prostar), column valve module (500, Prostar), PDA Detector (355, Prostar), fraction collector (710, Prostar). The data acquisition was under the control of 500-MS workstation software.

MDCK-3 grew as a single-cell suspension in disposable shake flask

MDCK-3 grew as a single-cell suspension in disposable shake flasks in a serum-free medium supplemented with recombinant bovine trypsin. VERO cells were grown on micro carriers in serum-free medium supplemented with trypsin. Virus from small-scale production was harvested, clarified, stabilized by addition of 5% glycerol using a standard protocol, stored at ≤−60 °C, and shipped to the CDC for viral antigen content determination. The full-length open reading frame of the hemagglutinin (HA) and the neuraminidase (NA) genes were sequenced following PCR-amplification as described [35]. Sequences were submitted to GenBank

(accession numbers in supplementary Table S1). Antigenic characterization of the isolates was achieved by hemagglutination inhibition assay (HI) according to a standardized protocol, using ferret antisera raised against a panel of cell-grown reference viruses and either

turkey Trametinib or guinea pig red blood JNK inhibitor cells[36]. Viruses originally isolated in the 3 MDCK cell lines were then propagated on a small-scale production platform by four vaccine producers in their respective certified cell lines. Virus yield was monitored by methods representative of those routinely used by these producers for assessing virus production, i.e., hemagglutination; infectivity titration with a Tissue Culture Infectious Dose 50% endpoint (TCID50); infectivity titration by fluorescent focus forming unit (FFU); infectivity titration by fluorescent infection unit (FIU), respectively. A 22.5 mL volume

(-)-p-Bromotetramisole Oxalate of pooled supernatants from small-scale production batches was layered on to 9 mL of 30% (w/w) sucrose on top of a cushion of 4.5 mL 55% (w/w) sucrose and centrifuged at 90,000 × g for 14 h at 4 °C. Fractions were collected from the top of the sucrose gradient and those with the highest HA titers and protein concentration were pooled. The virus was pelleted by ultracentrifugation at 100,000 × g for 2 h at 4 °C. Total protein content in resuspended viral pellets was determined by the BCA method [37] and expressed as total viral protein (mg/100 mL) for each cell harvest. For primary virus isolation, an aliquot of the 20 clinical samples was inoculated into the three MDCK cell lines and embryonated hens’ eggs. In MDCK-2 and MDCK-3 cells all viruses grew after one blind passage following primary inoculation (Table 1). All five influenza A(H1N1) and B Victoria-lineage viruses but only 60% of the B Yamagata-lineage viruses grew at the second passage in MDCK-1 cells, whereas 60% of influenza A(H3N2) viruses grew on the third passage. For comparison, isolation efficiency in eggs was 60% for influenza A(H1N1) and influenza B Victoria-lineage, 40% for influenza A (H3N2), and 20% for influenza B Yamagata-lineage at passage levels E3, E4, E3, and E3, respectively. The characteristics of viruses isolated in embryonated hens’ eggs will be presented elsewhere [38].

vivax ama-1, msp-4 and msp-5 from both NW and South were from our

vivax ama-1, msp-4 and msp-5 from both NW and South were from our previous analyses [10], [12], [19] and [24]. The complete 128 nucleotide sequences of Pvmsp-1 were obtained following

the methods as previously described [23]. The complete 126 P. vivax msp-5 sequences spanning ∼1.5 kb was amplified using a forward primer (PvMsp-5-F: TCTTCAATTTTCCGCTCAACC) and a reverse primer check details (PvMsp-5-R: CACAAGGTGAAGAGATCGAC) which were derived from 5′ to 3′ untranslated regions, respectively. DNA amplification was carried out in a total volume of 30 μl of the reaction mixture containing template DNA, 2.5 mM MgCl2, 300 mM each deoxynucleoside triphosphate, 3 μl of 10× ExTaq PCR buffer, 0.3 μM of each primer and 1.25 units of ExTaq DNA polymerase (Takara, Seta, Japan). Thermal cycling profile included the preamplification denaturation at 94 °C for 1 min followed by 35 cycles of 94 °C for 30 s, 60 °C for 30 s and 72 °C for 2 min, and a final extension at 72 °C for 5 min. DNA amplification was performed by using a GeneAmp 9700 PCR thermal cycler (Applied Biosystems, Foster City, CA). The PCR product was purified by using QIAquick PCR purification kit (QIAGEN, Germany). DNA sequences

were determined directly and bi-directionally from PCR-purified templates. Sequencing analysis was performed on an ABI3100 Genetic Analyzer using the Big Dye Terminator v3.1 Cycle Proteases inhibitor Sequencing Kit (Applied Biosystems, USA). Overlapping sequences were obtained by using sequencing primers. Whenever singleton substitution occurred, sequence was re-determined using PCR products from two independent amplifications from the

same DNA template primers. Accession numbers for all sequences used in analyses are shown in Supplementary Table S1. Numbers of sequences for each locus from each endemic area are listed in Table 1. Non-repeat portions of coding sequences were aligned using the CLUSTAL X program [25]. Alignment in repeat regions of malaria antigens is uncertain because of rapid expansion and contraction of repeat arrays, apparently by a slipped-strand mispairing-like mechanism [9], [10] and [12]. Therefore, we excluded from sequence comparisons much repeat regions of P. vivax msp1, P. vivax msp4, P. vivax msp5, P. falciparum csp, and P. falciparum msp2. The excluded repeat regions of P. vivax msp1 corresponded to blocks 2, 6, 8 and 9 as defined by Putaporntip et al. [23]. The excluded repeat regions of P. vivax msp4 were repeat array 1 (in exon 1) and repeat array 2 (in exon 2) identified by Putaporntip et al. [24]. The excluded region of P. vivax msp5 was the single central charged amino acid residue-rich repeat region [26]. In the case of P. falciparum csp, the excluded region corresponded to the central array of NANP repeats; thus, the CD4 T-cell epitopes in the C-terminal non-repeat portion of the protein were included [7] and [10]. In P.

6 ± 5 0 to 66 8 ± 2 0) Considering the fact that in erythroid-in

6 ± 5.0 to 66.8 ± 2.0). Considering the fact that in erythroid-induced K562 cells the growth efficiency is lower (see Tables 1 and 2), these evidences support

the concept that benzidine-negative cells at day 6 still can differentiate even in the absence of irradiated compounds in the medium (this “commitment-like” effect is present in several inducers of K562 cell differentiation). In any case, the data suggest that the induced differentiation observed at day 6 is irreversible. Since 5′-methylpsoralen (5′-MP), 4′,5′-DMP and 5,5′-dimethylpsoralen (5,5′-DMP) for psoralens and 4,6,4′-TMA for angelicins were the most active compounds, further experimental activity was carried out with these molecules. Moreover, the lower UV-A (1 J/cm2) dose was www.selleckchem.com/products/PD-0332991.html chosen to minimize the phototoxic effect. The mechanism by which erythroid differentiation MDV3100 induced by furocoumarin takes place is still

unknown. However, the DNA photobinding is considered the main effect for the photoantiproliferative activity of the PUVA therapy. Thus, some preliminary experiments were carried out to verify whether furocoumarin DNA photodamage could be involved also in the erythroid differentiation process. K562 cells were irradiated in the presence of the tested compounds and of the inhibitors of some phosphoinositide kinase-related kinases, such as DNA-dependent protein kinase (DNA-PK), ataxia telangiectasia mutated (ATM) and the ataxia- and Rad3-related protein (ATR), which can be activated after different kinds of DNA damage Chlormezanone [27]. In particular, wortmannin was used as inhibitor of the catalytic subunit of the PI3-kinase family of enzymes [28], and caffeine as inhibitor of ATM and ATR but not of DNA-PK [29]. Cell viability was not affected

by the presence of these two inhibitors (data not shown). As it can be observed in Fig. 3, the amount of benzidine positive cells was significantly reduced, even if not completely abolished, for all tested compounds, when the irradiation was carried out in the presence of those inhibitors. Thus, the processes activated by DNA damage could be involved, at least in part, in the erythroid differentiation process. The effects of furocoumarins on the expression of human globin genes were determined by RT-qPCR analysis using probes amplifying the α-like α-globin and ζ-globin and the β-like ε-globin and γ-globin mRNA sequences. Effects on production of β-globin mRNA were not analyzed, since it is well known that K562 cells do not efficiently transcribe the β-globin genes [10] and [30]. In Fig. 4, globin mRNA expression for 4′,5′-DMP and 4,6,6′-TMA is presented; these two molecules were selected as an example for linear (4′,5′-DMP) and angular (4,6,4′-TMA) most active furocoumarins in inducing erythroid differentiation (Table 1).

01) could be observed This correlates with pathway analysis, whi

01) could be observed. This correlates with pathway analysis, which showed over-representation of

IL6 (2 genes, p-value 0.0027) signaling and ‘Vibrio cholerae and pathogenic Escherichia coli (both EPEC and EHEC) infection’ pathways (3 genes, p-values 0.017 and 0.016, respectively), as described in InnateDB (www.innatedb.ca) ( Table 2). Taken together, these results suggest a lack of significant reactogenicity to the vaccine but enhanced resistance to re-challenge, correlating with the clinical results. In the present study we were interested in profiling aspects of innate immune activation by repeated oral challenge infection of healthy volunteers with M. bovis BCG Moreau Rio de Janeiro vaccine. The oral challenge infections were generally only mildly reactogenic. Scoring of clinical symptoms showed a higher score after the first challenge. PLX-4720 order Thus, it would appear, based on clinical symptoms, that the first challenge induced the highest acute activation of inflammatory mechanisms, with a shorter burst after the second challenge, and no clinically detectable activity after the third. The peak PPD response detected (1550 spots/106 PBMCs) was higher than observed previously (450 spots/106 PBMCs at 3 months) after a single oral dose of the same vaccine given in a large volume buffer solution [5]. The higher

level of response observed in this study compared to previously published data [5] may reflect a degree of priming by the click here first two oral challenges, although in this study the Isotretinoin ELISPOT assay was different in that an 18-h pre-incubation with antigen was included. No response to MPB70 antigen was detected prior to oral challenge with BCG Moreau, but low-level responses were observed after

vaccination. MPB70 is an antigen secreted at high levels by BCG Moreau strain but not the BCG Glaxo strain the subjects probably received in childhood [6]. The lack of high level MPB70 secretion by BCG Glaxo, and thus the lack of immune memory on vaccinated volunteers, probably explains the previous observation that no responses were detectable prior to oral challenge, and when they did occur they were lower than recall responses to Ag85 which is expressed at similar levels by all strains of BCG [7]. Microarray analysis of gene expression correlated with the lack of obvious reactogenicity of the vaccine, only showing a down-regulation of actin and IL6 associated genes. The BCG oral challenge model was selected as being safe, associated with a mild-moderate degree of reactogenicity in previous studies, and available as an acceptable commercial formulation of attenuated M. bovis. A more reactogenic challenge organism (such as partially attenuated strains of Shigella or Salmonella) may have given more conclusive results, had an acceptable formulation been available. However, we did observe a decline in clinical symptoms with each subsequent oral challenge, suggesting a degree of resistance to challenge was developing.

To determine acute oral toxicity, the method of acute oral toxici

To determine acute oral toxicity, the method of acute oral toxicity at fixed doses was used.13 The extract was administered at doses of 5 mg/kg to 100 mg/kg, with animals showing no notable signs of toxicity. The 50% lethal dose was found to be greater than 100 mg/kg,

which is twice the highest dose (50 mg/kg) used for evaluation of a possible diuretic effect. Animals were maintained under standard condition of temperature and humidity and underwent for an adaptation period of three days. The animals were divided into four groups (n = 6). Group 1, as the negative control, received normal saline solution (25 ml/kg oral administration); group 2 received the reference diuretic, furosemide (Lasix, SANOFI-AVENTIS) at 20 mg/kg administered intraperitoneally Duvelisib concentration 14 and 15; groups 3 and 4 received the ethanolic extract of G. seemannii Peyr. at 25 mg/kg p.o. and 50 mg/kg p.o. respectively, in normal saline solution (25 ml/kg p.o.) and the diuretic activity was carried out based on the method of Lipschitz et al. 16 Immediately after administration

by gavage using an 18 G intragastric cannula, the animals were placed in metabolic cages (1 per cage), especially designed to separate urine and feces, and kept at a controlled temperature of 22–25 °C. At the end of 12 h, the volume of urine collected was measured. During this period, no food and water was available to the animals. During the two-week experimental period, the parameters measured were body weight (before and after the

test period), total urine volume, and concentration check details of Na+, K+ and Cl− in the urine. Na+, K+, Cl− concentrations were Cytidine deaminase determined by an ion sensitive electrode (Roche Hitachi 917) automatic analyzer. After the experiment, animals were sacrificed by ether anesthesia.17 Results are expressed as the mean ± SEM. Data was analyzed by one-way analysis of variance (ANOVA) followed by Dunnett’s multiple comparison test. A value of p < 0.001 was considered statistically significant. The LD50 was estimated to be greater than 100 mg/kg. The experimental extracts of G. seemannii Peyr. were used in concentrations of 25 mg/kg and 50 mg/kg, with animals showing no signs of acute toxicity. No macroscopic alterations were noted in the viscera of the treated rats. The animals were observed with no signs of dehydration at 12 h intervals. The reference diuretic (furosemide) significantly increased urine output compared to the control (p > 0.001), with a diuretic index of 2.86. Administration of the test drug at 25 and 50 mg/kg also resulted in a significant increase in urine volume, although less than that found with the reference drug. The diuretic index for these two doses was 1.49 and 1.75, respectively, compared to 2.86 found for furosemide ( Table 1). Ethanolic extract of G. seemannii Peyr.

3 (95% CI 1 1 to 4 9) times that of males, while the odds of them

3 (95% CI 1.1 to 4.9) times that of males, while the odds of them reporting posterior upper leg pain were 2.7 (95% CI 1.1 to 6.2) times that of males. The odds of females reporting pain were not more than males at the other five sites. The odds of females having 12-month ankle pain were 1.7 (95% CI 1.0 to 3.1) times that of males (Table 2). The odds of them reporting 12-month foot pain

were Pictilisib manufacturer 2.0 (95% CI 1.0 to 4.1) times that of males, while the odds of them reporting posterior upper leg pain were 2.1 (95% CI 1.0 to 4.4) times that of males. The odds of females reporting pain at 12 months were not more than males at the other five sites. The odds of those 50 years or older reporting current lower limb pain were 4.1 (95% CI 2.8 to 6.1) times that of their younger counterparts (Table 3). The odds of those 50 years or older reporting current pain were more than the younger participants for all sites

except the foot and the anterior upper leg. In particular, the odds of participants 50 years or older reporting current knee pain were 3.4 (95% CI 2.2 to 5.2) times, and current posterior leg pain were 3.2 (95% CI 1.6 to 6.2) times that of the younger participants. The odds of those 50 years or older reporting 12-month lower limb pain were 4.0 (95% CI 2.7 to 6.0) times that of their younger counterparts (Table 3). The odds of those 50 years click here or older reporting 12-month pain were more than the younger participants for all sites except the foot and the anterior upper leg. In particular, the odds of participants 50 years or older reporting 12-month knee pain were 3.0 (95% CI 2.0 to 4.5) times that of the younger participants. The observation walks revealed a homogenous population living an extremely arduous lifestyle. Adults were observed undertaking activities that involve bending of the hips, knees, and

ankles, often in a weighted position. Sustained squatting was observed during activities such as toileting, clothes washing and socialising (Figure 1). We noted both men and women lifting and carrying heavy loads (eg, rocks, crops, and children), often over long distances and up and down steep terrain. Footwear was commonly poor in quality and often consisted of rubber boots or canvas shoes with little cushioning from or arch support. We saw adults and children with moderate to severe bowing of the legs. We did not observe any obesity in the 19 villages visited. The point prevalence of musculoskeletal lower limb pain in this rural Tibetan population was 40% (95% CI 34 to 46), which is higher than that in some low-income countries (Minh Hoa et al 2003, Veerapen et al 2007, Zeng et al 2005). The knee was by far the most common site of pain, followed by the ankle and the hip. Furthermore, the prevalence of current knee pain in those over 50 years was 41% (95% CI 30 to 52) even though we observed no obesity in this population.

It can degrade the extracellular matrix

leading to tumor

It can degrade the extracellular matrix

leading to tumor metastasis.14 and 15 The plant combination (muthu marunthu) has been showed one of the common and notable features in poor growth rate of tumor cells. Also the muthu marunthu is combination plant biomass did not show any alteration of normal growing cells. The glycoproteins such as hexose, hexosamine, sialic acid and fucose are controlling the level in plasma by the treating of muthu marunthu (different plant extracts were formulated in various concentrations) fibrosarcoma rats. Hence muthu marunthu has very good controlling GW3965 clinical trial capacity on the biochemical events during tumor progression, without inducing any buy Y-27632 toxic effects for normal metabolism. 16 The aqueous extract of Iresine herbstii was synthesized silver nanoparticles was performed by green synthesis and plant mediated nanoparticles showed potent cytotoxicity against HeLa cancer cells. Plant synthesized silver nanoparticles have induced

over above 80% death of HeLa cell at a treatment of moderate concentration level is 300 mg/ml. The AgNPs are revealed a prominent activity of arrest metabolic function of fibroblast cells (IMR-90) at 400 mg concentration. The Persea americana Nigerian traditional plant extracts were used for the treatment of anticancer studies. The plant extracts contains polar compounds that were responsible for suppress the division of cancer cells. Since it is well known that the phytochemicals have been shown to induce cell cycle which it may cause apoptosis program. The secondary metabolites are affect the differentiation and proliferation of cells by the control of intracellular (ROS) reactive oxygen species on the electron transport chain and other metabolic pathway. These cytotoxic natural products play a vital role in breast and osteo cancer. The influences of anticancer activity were valid by Elaeis guineensis methanol extract against MCF-7 and vera cell line through by MTT assay. The presence of apoptotic bodies could also understand

in plant extract treated cancer cells. The cells Megestrol Acetate are also showed extensive vacuolation in the cytoplasm, indicating autophagy like mechanism of programmed cell death. 17 Sreelatha et al18 (2011) study demonstrates the ethanolic leaf extract of Sesbania grandiflora has potential activity against anticancer. The standard criteria of anticancer drug are suppress the protein synthesis metabolism as the same induces apoptosis function of the cells. However the treatment of S. grandiflora extracts were control the tumor cell volume and number of viable tumor cell. The minimum dose of S. grandiflora 200 mg/kg have been exhibit high activity against leukemia cells which may due to its extract and it contains nature composite of various phytochemicals that could counter act its toxicity.

, 2009) Madrigal et al (2001) also reported that complexes I–II

, 2009). Madrigal et al. (2001) also reported that complexes I–III and II–III of mitochondrial respiratory chain were inhibited in rat brain after chronic stress (immobilization for six hours over 21 days). Additionally, Ben-Shachar and Karry (2008) demonstrated reductions in

mRNA and protein of complex I selleck chemicals subunits NDUFV1, NDUFV2 and NADUFS1 in the postmortem cerebellum from patients with depression. Hroudova and Fisar (2010) using an in vitro study from pig brain, demonstrated that the complex I, II and IV activity decreased with antidepressants and mood stabilizers, suggesting in this study that antidepressants generally act as inhibitors of electron transport chain. Our findings Gefitinib order also showed an inhibitory effect on the activity of complex I, but contrarily to this, lamotrigine and imipramine increased the activities of complexes II, II-III and IV, suggesting

that the increase in the complexes II, II-III and IV activity may be related, at least in part to compensating the decrease of complex I activity. Such, the effects of lamotrigine and imipramine on the mitochondrial respiratory chain could be positive, taking into account that there is impairment in energy metabolism related to depression (Ben-Shachar and Karry, 2008, Rezin et al., 2009 and Madrigal et al., 2001). A balance between cell death and cell proliferation must be maintained to ensure the health of every human being. Recent findings indicate that approximately one-half of all major human diseases are a Sitaxentan consequence of abnormal apoptosis (Reed, 2002). Neurodegeneration mediated by apoptosis can be initiated by Bax translocation from the cytosol to the mitochondria, where it affects

membrane permeability and permits cytochrome c release and subsequent activation of caspases ( Yang et al., 1995 and Ghribi et al., 2001). Inappropriate apoptosis can cause autoimmune and neurodegenerative disorders, as well as heart disease, while resistance to apoptosis can promote cancer and impede the effectiveness of cancer therapeutics. Our results demonstrate that imipramine and lamotrigine decreased the Bcl-2 expression in the prefrontal cortex, amygdala and hippocampus in the acute and chronic treatments. Peng et al. (2008) showed that 3 μM imipramine treatment significantly up-regulated the mRNA and protein expression and Bcl-2 in day-7 imipramine-treated neural stem cells (NSCs). Huang et al. (2007) also showed that desipramine increased the Bcl-2 expression in day 3 DP-treated NSCs. Another study demonstrated that by the fourteenth day, (but not acute treatment with citalopram), imipramine and amitriptyline in mice had significantly elevated the hippocampal Bcl-2 protein expression as compared to vehicle treated animals.

For an outpatient visit the median cost was Rs 225 Weighting th

For an outpatient visit the median cost was Rs. 225. Weighting these costs by the estimated healthcare seeking patterns at each level, we estimate that hospitalization due to rotavirus diarrhea cost the country INR 4.9 billion (3.3 to 6.9 billion) annually. Additionally the country spends about INR 5.38 billion (3.6–7.6 billion) on outpatient visits. The total cost of the rotavirus immunization program for the 2011 India birth cohort of 27,098,000 children was calculated at Rs. 4.47 billion or USD 74.5 million, which is less than rotavirus associated

hospitalization costs. Despite gains in child survival and increased availability of effective interventions such as ORS, zinc and access to healthcare, rotavirus diarrhea buy Dabrafenib continues Pexidartinib to result in substantial mortality and morbidity for children in India and is a significant economic

burden to the healthcare system and society. Each year in India, rotavirus causes an estimated 78,500 deaths, 872,000 hospitalizations, and over 3.2 million outpatient visits in children <5 years of age. In other words, by 5 years of age, 1 in every 334 – 356 Indian children will die from rotavirus diarrhea, 1 in every 22 – 45 children will be hospitalized, and 1 in every 6 – 12 children will have visited an outpatient clinic for rotavirus diarrhea (Fig. 1). Despite the lower vaccine efficacy of oral rotavirus vaccines in developing countries, because of the large disease burden these vaccines are predicted to alleviate substantial rotavirus mortality and morbidity [26]. Introduction of Rotavac® at current national first coverage, will avert 27,000 deaths, 291,000 hospitalizations and 686,000 outpatient visits annually. The national estimates of rotavirus deaths are slightly lower than rates previously estimated and are likely due to overall decline in diarrheal mortality. Rotavirus continues to contribute

39% of all diarrhea hospitalizations reiterating its position as the most important cause of diarrheal mortality. This reduction in mortality may reflect a greater impact of interventions to improve sanitation and hygiene on the burden of bacterial diarrhea, which is often transmitted through contaminated food and water, as opposed to rotavirus, which has multiple modes of transmission. The decline in child mortality in the past two decades may also be a function of better access to fluid replacement therapy and in-patient healthcare [3]. Our estimates of rotavirus hospitalizations are higher than previous estimates [9] and [19]. This may, in part, be a result of lower threshold for hospitalization in intensely followed up cohorts, but is also more likely to represent the true need for hospitalization where there is no constraint to accessing healthcare and contributes significantly to better survival.