نتایج جستجو برای: antibody titer
تعداد نتایج: 173691 فیلتر نتایج به سال:
Antibodies directed against Pfs25, a protein present on the surface of zygotes and ookinetes of Plasmodium falciparum, completely block pathogen transmission. We evaluated the immunomodulatory effect of CpG oligodeoxynucleotides (ODN) on the immunogenicity of recombinant Pfs25 (rPfs25) formulated in alum (Al). Immunization of mice with rPfs25 plus CpG ODN improved both the antibody titer (a 30-...
201 blood samples were collected by cluster sampling from 7-11 years old children and measles antibody titer was measured by hemagglutination inhibition test. Despite testing all the sera, the results were analysed on the 139 samples that had documented vaccination records and no history of measles. Among 139 children 44 had received 2 doses of vaccine one dose before 12 and one after 15 months...
In a prospective, double-blind study, heart-reactive antibody in high titer was detected, using an indirect immunofluorescent technique, in the serum of patients in whom the postpericardiotomy syndrome developed after intrapericardial surgery. The syndrome occurred in 26 of 86 consecutive longterm survivors of such surgery, an incidence of 30%. Presence of antibody correlated closely with the c...
We investigated the dynamics and duration of antibody titer against Mannheimia haemolytica in Japanese Black calves. Twenty unvaccinated calves from two Japanese Black breeding farms in Kagoshima Prefecture, Japan, were studied. The antibody titer against M. haemolytica reached the lowest level at 8 weeks of age after birth. Calves began producing antibody against M. haemolytica by themselves b...
BACKGROUND The 2009 swine-origin influenza virus (S-OIV) H1N1 pandemic has caused more than 18,000 deaths worldwide. Vaccines against the 2009 A/H1N1 influenza virus are useful for preventing infection and controlling the pandemic. The kinetics of the immune response following vaccination with the 2009 A/H1N1 influenza vaccine need further investigation. METHODOLOGY/PRINCIPAL FINDINGS 58 volu...
Background and Aims: Foot-and-Mouth Disease (FMD) is a highly contagious infectious disease of livestock which has made a barrier to hygiene causing severe loss in livestock and their products. The aim of this study was the assessment of antibody response against foot and mouth disease virus types A13, A15 , O2010, after injection of FMD vaccine candidate produced by Razi Institue. Mater...
Thimerosal, which is approximately 50% mercury by weight is a preservative widely used in vaccines since the 1930’s. It meets the requirements for a preservative as set forth by Pharmacopeia challenge test and has been shown to be effective against a broad spectrum of pathogens. In July 1999, the Public Health Service agencies and vaccine manufacturers agreed that thimerosal should be redu...
Background: After substitution of Pentavalent vaccine with diphtheria, tetanus, pertussis (DTP) in the Iranian National Vaccination program with 3 Pentavalent (three times vaccination with Pentavalent vaccine at months 2, 4, and 6) in 2014 and the lack of published research in the field of immunogenicity of pertussis component of this vaccine, the efficacy of pertussis vaccine was studied 6 mon...
Background and Objectives The cytotoxin-associated gene (cag) pathogenicity island is reported to be a major virulence factor of Helicobacter pylori infection. It is previously reported that the cagA-positive strains are more virulent, so it can be postulated that the cagA-positive gastritis will be more severe and the serum immunoglobulin G (IgG) and A(IgA) anti-CagA antibody titer will be hig...
background: toxoplasmosis is a zoonotic disease with high seroprevalence worldwide. several immunological methods have been described for diagnosis of toxoplasmosis. objective: to determine the parasitemia period in patients infected with toxoplasma using pcr and comparing serological data with molecular results. methods: 154 serum samples from patients with toxoplasmosis were examined. presenc...
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