نتایج جستجو برای: double dose vaccination
تعداد نتایج: 591550 فیلتر نتایج به سال:
BACKGROUND The ongoing yellow fever epidemic in Angola strains the global vaccine supply, prompting WHO to adopt dose sparing for its vaccination campaign in Kinshasa, Democratic Republic of the Congo, in July-August, 2016. Although a 5-fold fractional-dose vaccine is similar to standard-dose vaccine in safety and immunogenicity, efficacy is untested. There is an urgent need to ensure the robus...
BACKGROUND A large measles outbreak occurred in Quebec, Canada, in 2011. Although nearly two-thirds of the cases occurred in only two health districts, a mass vaccination campaign targeting all Quebec elementary and high school students without valid two-dose history was undertaken to prevent future outbreaks. We compared rates of non-vaccination and age at first measles vaccine dose among stud...
BACKGROUND We compared vaccine coverage achieved by 2 different delivery strategies for the quadrivalent human papillomavirus (HPV) vaccine in Tanzanian schoolgirls. METHODS In a cluster-randomized trial of HPV vaccination conducted in Tanzania, 134 primary schools were randomly assigned to class-based (girls enrolled in primary school grade [class] 6) or age-based (girls born in 1998; 67 sch...
BACKGROUND We conducted a phase I, randomized, double-blind, placebo-controlled trial to assess the safety and immunogenicity of escalating doses of two recombinant replication defective adenovirus serotype 35 (Ad35) vectors containing gag, reverse transcriptase, integrase and nef (Ad35-GRIN) and env (Ad35-ENV), both derived from HIV-1 subtype A isolates. The trial enrolled 56 healthy HIV-uninf...
OBJECTIVE Hepatitis A infection causes severe disease among adolescents and adults. The Advisory Committee on Immunization Practices instituted incremental recommendations for hepatitis A vaccination (HepA) at 2 years of age based on risk (1996), in selected states (1999), and universally at 1 year of age, with vaccination through 18 years of age based on risk or desire for protection (2006). W...
OBJECTIVES The incidence of clinical hepatitis A has increased in young Korean adults since the mid-1990s. Although hepatitis A vaccinations have been administered in private clinics over the past 10 yr, no data exist on the vaccination rate and relating factors. METHODS In 2005, a population-based survey of 12-35-month-old children was carried out in Nonsan, Korea. An interview survey was co...
BACKGROUND The etiology of thrombocytopenia during infancy and early childhood may be different from that of older children, because young children frequently receive vaccines. The following study was performed to understand whether there was a causal relationship between vaccinations and thrombocytopenia. METHODS We retrospectively studied, through chart review, the relationship between vacc...
Epidemiological data regarding tetanus and diphtheria immunity in elderly people in Brazil are scarce. During the First National Immunization Campaign for the Elderly in Brazil in April 1999, 98 individuals (median age: 84 years) received one tetanus-dyphtheria (Td) vaccine dose (Butantan Institute, lot number 9808079/G). Inclusion criteria were elderly individuals without a history of severe i...
INTRODUCTION Regional differences in vaccination uptake are common in both developed and developing countries, and are often linked to the availability of healthcare services and socioeconomic factors. In 2007, 0.9 million eligible Indonesian children missed measles vaccination, and 19 456 cases of measles were documented among Indonesian children. The authors investigated rural-urban different...
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