Infection and immunity.

THE ROLE OF B-CELLS IN THE DEVELOPMENT OF IMMUNITY TO CRYPTOSPORIDIUM INFECTION

Studies have shown that symptomatic improvement of cryptosporidiosis in immunocompromised patients is possible following treatment with" hyperimmune" colostrum containing anti-sporozoite antibodies from cattle immunized with Cryptosporidium parvum antigens. The contribution to immunity of antibodies developed during Cryptosporidium infection is unclear, however. Previously, we showed that ...

Comparison of living vaccines in producing immunity against natural brucella melitensis infection in sheep and goats in Iran

بررسی مقایسه‌ای سرولوژی اریون در کودکان مبتلا به کاهش شنوایی حسی عصبی و کودکان غیرمبتلا Comparative Study of Mumps Serology in SNHL Children and Unaffected Ones

    Background & Aim: Mumps infection is endemic in Iran. Due to high percentage of unvaccinated young people(10y(2.1%). Acute mumps infection(positive IgM) was seen in 8.3% and previous immunity to mumps(IgG) in 24.1% of all. The highest incidence of acute infection(IgM) was in 3-5-year old group, but it was not different in other age groups(P=0.11). Previous infection(IgG was also higher in 3...

Immunity Against Avian Influenza Viruspanax Ginseng Polysaccharide (GPS) Can Improve Immunity Against H9N2 Avian Influenza Virus in Chickens

The humoral immunization potential of panax ginseng polysaccharide (GPS) against H9N2 avian influenza virus (H9N2 AIV) in chickens was investigated. The effects of GPS treatment before and during H9N2 AIV infection were determined in chicken embryo fibroblast (CEF) by MTT (3(4, 5-dimethylthiazol-2-yl)-2, 3-diphenyl tetrazolium bromide) assays and quantitative RT-PCR analysis of MHC and cytokine...

Assessment of protection against SARS-CoV-2 infection by measuring antibody titer, yes or no!

Dear Editor The current epidemic of the novel Coronavirus disease 2019 (COVID-19) risen from Wuhan, China, turned into a worldwide concern because of its incubation period (2-14 days) and its high transmission rate. The first cases of the infection were reported in December 2019 in Wuhan with symptoms like pneumonia for an unknown reason. Very soon it was known as a novel kind of Coronavirus o...

Rubella Immunity in Pregnant Iranian Women: A Systematic Review and Meta-Analysis

Background: Rubella infection with in the first trimester of pregnancy may lead to adverse pregnancy outcomes. The present study was conducted to evaluate the immunity against rubella among pregnant Iranian women. Materials and Methods: The steps of meta-analyses were conducted based on the PRISMA guidelines. To review the associated English and Persian literature, a comprehensive search was co...