نتایج جستجو برای: seroconversion rate
تعداد نتایج: 963488 فیلتر نتایج به سال:
DESIGN Children with HIV are especially susceptible to complications from influenza infection, and effective vaccines are central to reducing disease burden in this population. We undertook a prospective, observational study to investigate the safety and immunogenicity of the inactivated split-virion AS03-adjuvanted pandemic H1N1(2009) vaccine in children with HIV. SETTING National referral c...
OBJECTIVE The aim of this study was to assess the prevalence of syphilis, human immunodeficiency virus (HIV), and hepatitis B virus (HBV) infections in women at the time of delivery, and to determine the seroconversion rates for syphilis and HIV infections from initial booking visit to delivery. SETTING The labour ward of a typical tertiary hospital in a developing country and serving an indi...
Background: Conjugate typhoid vaccine can prevent increasing cases of typhoid in younger children. Commercially available conjugate vaccine has limited studies to support its use. Aims: To study the safety and immunogenicity of Vi conjugate typhoid vaccine (PedaTyph TM ). Materials and Methods: Four hundred children with age <5 years were randomised to receive either one dose (Group A) or two d...
OBJECTIVE To determine patient and dialysis services-related factors associated with seroconversion of hepatitis C virus (HCV) in hemodialysis (HD) patients. STUDY DESIGN Cross-sectional study. PLACE AND DURATION OF Department Nephrology, Mayo Hospital, King Edward Medical University (KEMU), Lahore, from January to December, 2018. METHODOLOGY All patients on regular HD for more than three month...
Kaposi's sarcoma occurs at high incidence among Zambian adults and children, but there is a paucity of data on human herpesvirus 8 (HHV-8) incidence and routes of infection, especially in children. Between 1998 and 2004, the authors conducted a prospective study of viral transmission in a cohort of 684 children in Lusaka, Zambia, to estimate the annual incidence of HHV-8 from birth through 48 m...
The changes in lgG antibody levels to hepatitis B surface antigen (HBsAg) and in antibody to HBsAg (anti-HBs) seroconversion rates due to different dosages of hepatitis B vaccine (HepB) were compared in 2106 children. Children who had been previously vaccinated as infants with HepB were revaccinated at 5-15 y of age, after which the antibody titers were determined. After the first booster dose,...
AIM To determine seroprevalence of Helicobacter pylori (H pylori) in the Dunedin Multidisciplinary Health and Development Study (DMHDS) at age 26 in order to investigate seroconversion and seroreversion from age 11 to 26 and the association of seropositivity with risk factors for H pylori infection. METHODS Participants in the DMHDS at age 26 and retrospectively at age 21 were tested for H py...
BACKGROUND Efforts to monitor malaria transmission increasingly use cross-sectional surveys to estimate transmission intensity from seroprevalence data using malarial antibodies. To date, seroconversion rates estimated from cross-sectional surveys have not been compared to rates estimated in prospective cohorts. Our objective was to compare seroconversion rates estimated in a prospective cohort...
HBeAg seroconversion is an important stage in the evolution of a chronic hepatitis B virus (HBV) infection that usually leads to control of viral replication and a reduced risk for liver cirrhosis and cancer. Since current therapies for the HBV-associated liver inflammation that is known as chronic hepatitis B (CHB). Rarely induce permanent HBeAg seroconversion, there is a need to understand th...
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