نتایج جستجو برای: inactivated vaccine
تعداد نتایج: 123287 فیلتر نتایج به سال:
Influenza A viruses of the H3N8 subtype are a major cause of respiratory disease in horses. Subclinical infection with virus shedding can occur in vaccinated horses, particularly where there is a mismatch between the vaccine strains and the virus strains circulating in the field. Such infections contribute to the spread of the disease. Rapid diagnostic techniques are available for detection of ...
An effective vaccine against Edwardsiella tarda has not been reported in substitution for high concentration of formalin for the prevention of edwardsiellosis disease. In this study, the efficacy of inactivated E. tarda was evaluated and compared by intraperitoneal (IP) injection-immunization or challenge against Japanese eel (Anguilla japonica). Formalin, formalin with heat, citric acid, press...
BACKGROUND The efficacy of inactivated influenza vaccine in healthy infants and children younger than 24 months has not been confirmed. The aim of the present study was to determine the prophylactic effect of inactivated influenza vaccine against influenza A in healthy children aged 6-24 months. METHODS Healthy infants and young children (6-24 months old) were immunized by subcutaneous inject...
mycoplasma agalactia was cultured in pplo broth medium supplemented with sterilized normal horse serum in fermentor. cultivation process continued at 37 ºc under aerobic conditions and growth was terminated after 26 hours cultured period with 2.2×109 mycoplasma per ml. samples were taken at different stages of growth. culture was inactivated with 0.04 %v/v formaldehyde and the vaccine was adjuv...
The demand for rapid and simple development of a vaccine against a newly emerging infectious disease is increasing worldwide. We previously revealed that UV-inactivated severe acute respiratory syndrome (SARS)-associated coronavirus (SARS-CoV) virions (UV-V) elicited high levels of humoral immunity and a weak Th0 response in mice immunized subcutaneously. To ensure the safety of such a whole in...
Fecal secretory immunoglobulin A (IgA) antibodies in dogs infected or vaccinated with canine coronavirus (CCV) were evaluated by an enzyme-linked immunosorbent assay. The study was carried out with 32 fecal samples collected just before inoculation and at 28 days postinoculation. Five groups were studied: naturally infected dogs, experimentally infected dogs, dogs inoculated with a modified liv...
OBJECTIVE To validate a brief measure of vaccination confidence using a large, nationally representative sample of parents. METHODS We analyzed weighted data from 9018 parents who completed the 2010 National Immunization Survey-Teen, an annual, population-based telephone survey. Parents reported on the immunization history of a 13- to 17-year-old child in their households for vaccines includi...
The first report of “virus” inactivation for vaccine purposes was described in 1886 when Daniel Elmer Salmon and Theobald Smith immunized pigeons with what they thought was a heat-killed hog cholera “virus” (Salmon and Smith 1886). Although in reality it was a cholera-like bacterium, it seeded the scientific community with evidence that immunization with inactivated pathogens can provide protec...
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