نتایج جستجو برای: temperature fixed at 15oc vaccine titers
تعداد نتایج: 4164500 فیلتر نتایج به سال:
OBJECTIVES We investigated immune determinants of antibody responses and B-cell memory to pH1N1 vaccine in HIV-infected children. METHODS Ninety subjects 4 to <25 years of age received two double doses of pH1N1 vaccine. Serum and cells were frozen at baseline, after each vaccination, and at 28 weeks post-immunization. Hemagglutination inhibition (HAI) titers, avidity indices (AI), B-cell subs...
this experiment was performed to determine the role of vitamin e and coenzyme q10 antioxidants on performance and ascites parameters of broiler chicks in cold stress conditions using a completely randomized design with 5 treatments and 5 replicates in each treatment. treatments were: positive control (pc, normal thermal conditions without antioxidants), negative control (nc, cold stress without...
Reconstituted Venezulean equine encephalitis vaccine was found to retain significant titers of plaque-forming virus after storage at 4 or 22 C for 24 hr.
In 27 patients randomized to receive commercial trivalent influenza vaccine (TIV) containing 15 microg of the hemagglutinin (HA) of influenza A (H3N2 and H1N1) and B virus or a recombinant vaccine (rHAO) containing 15, 45, or 135 microg of each HA, reactogenicity was minor. Among patients with similar prevaccination titers, 40% given 45 microg and 60% given 135 microg of rHAO developed an incre...
background: conventional hepatitis b virus (hbv) vaccination fails to achieve efficient protection in about 5–10% of the world population. hence, different strategies have been adopted to ameliorate hbv antibody titers. this study aimed to evaluate the concurrent application of tetanus‑diphtheria (td) and hbv vaccination on hepatitis b surface (hbs) antibody titer in low‑responder healthy indiv...
Persistence of measles antibodies after 2 doses of measles vaccine in a postelimination environment.
OBJECTIVE To evaluate the persistence of measles antibodies after 2 doses of measles vaccine in a setting where exposure to wild-type measles was unlikely. Measles was declared eliminated from the United States in 2000, an achievement attributed to effective implementation of a routine 2-dose vaccination policy. Some have questioned whether measles transmission could resume if immunity wanes in...
background: hepatitis b virus potentially accelerates graft rejection and mortality in renal transplantation population. vaccination of graft candidates without prior immunization against hbv seems essential before transplantation but some candidates of transplantation have not received hbv vaccine at the time of receiving graft. we aimed to evaluate immunogenicity of an enhanced regimen (4 dos...
Age-associated immune changes and pre-existing influenza immunity are hypothesized to reduce vaccine effectiveness in older adults, although the contribution of each factor is unknown. Here, we constructed influenza-specific IgG landscapes determined baseline concentrations cytokines typically associated with chronic inflammation adults (TNF-α, IL-10, IL-6, IFN-γ) 30 high 29 low responders (HR ...
a semi-empirical mathematical model for predicting physical part of ignition delay period in the combustion of direct - injection diesel engines with swirl is developed . this model based on a single droplet evaporation model . the governing equations , namely , equations of droplet motion , heat and mass transfer were solved simultaneously using a rung-kutta step by step unmerical method . the...
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