نتایج جستجو برای: oral vaccines
تعداد نتایج: 301313 فیلتر نتایج به سال:
BACKGROUND Environmental enteropathy (EE) is a subclinical enteric condition found in low-income countries that is characterized by intestinal inflammation, reduced intestinal absorption, and gut barrier dysfunction. We aimed to assess if EE impairs the success of oral polio and rotavirus vaccines in infants in Bangladesh. METHODS We conducted a prospective observational study of 700 infants ...
this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...
INTRODUCTION Most pathogens colonize and invade the host at mucosal surfaces, such as the lung and the intestine. To combat intestinal pathogens the induction of local adaptive immune responses is required, which is mainly achieved through oral vaccination. However, most vaccines are ineffective when given orally owing to the hostile environment in the gastrointestinal tract. The encapsulation ...
Background and Aim: The genus of Lactococcus lactis belonging to the Lactic Acid Bacteria (LAB) group, is a gram-positive, faculative anaerobic, non-spore-forming, non-motile bacterium. present study aimed introduce LAB, especially non-pathogenic, non-invasive, safe lactis. Accordingly, we examined previous studies concerning advantages, limitations, promotion methods, future prospects oral vac...
Vaccines are developed to mobilize the immune system of the recipient to react against an invading micro-organism and thus prevent infection to occur in the body. Besides immuno-prophylaxis, several vaccines have also revealed their precious immuno-therapeutic properties. Yet another highly important function of vaccines is their utilization for “Eradication” of a disease. Eradication of small ...
stability studies play a critical role in assuring product quality at all points in the vaccine life cycle. these studies used to determine vaccine expiry date and vaccine efficacy. accelerated stability and long term stability study performed for three batches of trivalent oral poliomyelitis vaccine (opv) and three batches of monovalent opv (type1) manufactured by razi institute. after samplin...
BACKGROUND Although advances in rehydration therapy have made cholera a treatable disease with low case-fatality in settings with appropriate medical care, cholera continues to impose considerable mortality in the world's most impoverished populations. Internationally licensed, killed whole-cell based oral cholera vaccines (OCVs) have been available for over a decade, but have not been used for...
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