نتایج جستجو برای: unit vaccine
تعداد نتایج: 501221 فیلتر نتایج به سال:
An Escherichia coli-expressed recombinant protein (6hisG(L)ecto) comprising the entire ectodomain (aa 18-122) of equine arteritis virus (EAV) glycoprotein G(L), the immunodominant viral antigen, induced higher neutralizing antibody titres than other G(L)-derived polypeptides when compared in an immunization study in ponies. The potential of the recombinant G(L) ectodomain to act as a sub-unit v...
BCG vaccine has been used since 1921 for primary prevention of tuberculosis in man. The immunogenic efficacy of this vaccine has been reported between 2 to 83/. in various studies. In order to assess the efficacy of neonatal BCG vaccination in 200 infants who had received BCG vecctne at birth, BCG vaccine scars were measured and PPD test (5 unit strength) was performed at 3 months of age. The s...
The Middletown Project was undertaken as a combined trial and demonstration of how the Sabin oral poliovirus vaccine could be given on a city-wide, simultaneous or mass basis in an urban American community of approximately 30,000 population. Specific objectives were multiple. They included: the assessment of the immunological effectiveness of this immunizing agent when given in such a setting; ...
Preclinical efforts to discover and develop new drugs and vaccines for tuberculosis are hampered by the reliance on colony-forming unit (CFU) counts as primary outcomes for in vivo efficacy studies and the slow growth of Mycobacterium tuberculosis. The utility of bioluminescent M. tuberculosis reporter strains for real-time in vitro and ex vivo assessment of drug and vaccine activity has been d...
Vaccination has had a major impact on the control of infectious diseases. However, there are still many infectious diseases for which the development of an effective vaccine has been elusive. In many cases the failure to devise vaccines is a consequence of the inability of vaccine candidates to evoke appropriate immune responses. This is especially true where cellular immunity is required for p...
Many vaccines have been developed from live attenuated forms of bacterial pathogens or from killed bacterial cells. However, an increased awareness of the potential for transient side-effects following vaccination has prompted an increased emphasis on the use of sub-unit vaccines, rather than those based on whole bacterial cells. The identification of vaccine sub-units is often a lengthy proces...
Noninvasive mucosal vaccines are attractive alternatives to parenteral vaccines. Although the conjugation of vaccine antigens with the B subunit of cholera toxin (CTB) is one of the most promising strategies for vaccine delivery to mucosal immune systems, the molecule cannot tolerate large-protein fusion, as it severely impairs pentamerization and loses affinity for GM1-ganglioside. Here we rep...
A study on the Immunization Coverage relating to the six vaccine preventable diseases was carried out in an urban, semi urban and rural area in Kerala and the results from the three areas were compared and discussed. The percentage of fully immunized children was similar in all the three areas and it was quite high. Coverage of measles vaccine was high in the Health Unit, Pangappara where healt...
A multivariate time-series regression model was developed in order to describe the 2005-2008 age-specific time-course of varicella sentinel surveillance data following the introduction of a varicella childhood vaccination programme in Germany. This ecological approach allows the assessment of vaccine effectiveness under field conditions by relating vaccine coverage in cohorts of 24-month-old ch...
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