نتایج جستجو برای: killed vaccine
تعداد نتایج: 126440 فیلتر نتایج به سال:
The aim of this study was to examine the efficacy of in ovo prime-boost vaccination against infectious bursal disease virus (IBDV) using a DNA vaccine to prime in ovo followed by a killed-vaccine boost post hatching. In addition, the adjuvant effects of plasmid-encoded chicken interleukin-2 and chicken interferon-gamma were tested in conjunction with the vaccine. A plasmid DNA vaccine (pcDNA-VP...
India has finally begun its colossal coronavirus vaccine drive, desperately hoping to end a deadly pandemic that killed around 1.5 lakh of population. With an aim vaccinate about 300 million people across the subcontinent by July, huge task ahead. This large number roughly amounts almost entire US
BACKGROUND Killed oral cholera vaccines (OCVs) are available but not used routinely for cholera control except in Vietnam, which produces its own vaccine. In 2007-2008, unprecedented cholera outbreaks occurred in the capital, Hanoi, prompting immunization in two districts. In an outbreak investigation, we assessed the effectiveness of killed OCV use after a cholera outbreak began. METHODOLOGY...
Vaccines prepared in various ways have been employed in the study of immunological reactions. Heat-killed vaccines, because of their safety and ease of preparation, have received wide attention, but such vaccines in the study of immunity in mouse typhoid produced with B. enteritidis have not given the degree of resistance desired. Studies of certain types demand the use of a killed vaccine, and...
Mice immunized with a glucan-killed parasite vaccine exhibited enhanced resistance to Leishmania donovani infection as evidenced by decreased hepatic parasite burdens when compared to unvaccinated controls. This resistance was not seen in mice immunized with killed parasites alone. Glucan vaccination resulted in increased resistance at day 6, but this effect was no longer present by day 20 of t...
BACKGROUND H5N1 is a highly pathogenic influenza A virus, which can cause severe illness or even death in humans. Although the widely used killed vaccines are able to provide some protection against infection via neutralizing antibodies, cytotoxic T-lymphocyte responses that are thought to eradicate viral infections are lacking. METHODOLOGY/PRINCIPAL FINDINGS Aiming to promote cytotoxic respo...
The Gram negative bacterium, Vibrio cholerae (Vc) causes cholera, an enteric disease that has killed untold numbers of humans. In the 19 th century, whole-cell (W-C) cholera vaccines were tested in humans. Field trials (1960s70s) of injected, killed W-C (kW-C) Vc showed cholera-specific immune responses (antibodies, Abs) could be induced with a single dose in certain cohorts, but more durable i...
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