نتایج جستجو برای: influenza vaccine
تعداد نتایج: 166771 فیلتر نتایج به سال:
BACKGROUND Influenza is an important cause of epidemic and pandemic disease leading to mortality and morbidity in children. Despite great efforts to increase influenza vaccination, many children with chronic medical conditions do not receive influenza vaccine. Our aim was to identify the demographic factors and asthma-associated characteristics related to vaccination, caregivers' attitudes and ...
OBJECTIVE The study aimed to determine the willingness to receive the Influenza A(H1N1) vaccine and its determinants in a large group of university students. MATERIALS AND METHODS This is a self-administered questionnairre based cross-sectional study. Students being educated at health and non-health faculties were invited to participate in this attitude survey. RESULTS A total of 974 studen...
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...
A tissue culture method using MDCK cells grown under serum-free conditions was developed to produce an inactivated influenza subunit vaccine. The first clinical data suggest it to be equal to the conventional egg-derived influenza subunit vaccine. In a double-blind controlled trial, 2 groups (n = 57 each) of adult volunteers were immunized with experimental bivalent influenza subunit vaccine de...
BACKGROUND Vietnam is currently developing domestic capability to manufacture influenza vaccines but information on the genetic and antigenic characteristics of locally circulating seasonal influenza viruses is limited. To assess the relevance of WHO recommended vaccine strains to the situation in Vietnam, we analyzed the genetic relatedness of the hemagglutinin (HA) gene of seasonal influenza ...
The efficacy of the influenza vaccine in reducing mortality and hospital admissions is established, particularly in the elderly. However, up to 50% of those at risk do not receive the vaccine. These patients are also at risk from pneumococcal infection and there is considerable overlap between the target group for each vaccine. This study sought to identify at risk individuals from consecutive ...
The influenza pandemic of 2009 demonstrated the inability of the established global capacity for egg-based vaccine production technology to provide sufficient vaccine for the population in a timely fashion. Several alternative technologies for developing influenza vaccines have been proposed, among which non-replicating virus-like particles (VLPs) represent an attractive option because of their...
BACKGROUND The South African Department of Health (DOH) publishes annual guidelines identifying priority groups, including immunosuppressed individuals and healthcare workers (HCW), for influenza vaccination and treatment. How these guidelines have impacted HCW and their patients, particularly those infected with HIV, remains unknown. METHODS We aimed to describe the knowledge, attitudes and ...
BACKGROUND Live attenuated influenza H5N1 vaccines have been produced and evaluated in mice and ferrets that were never exposed to influenza A virus infection (Suguitan et al., Plos Medicine, e360:1541, 2006). However, the preexisting influenza heterosubtypic immunity on live attenuated H5N1 vaccine induced immune response has not been evaluated. METHODOLOGY AND PRINCIPAL FINDINGS Primary and...
BACKGROUND There is some evidence that annual vaccination of trivalent inactivated influenza vaccine (TIV) may lead to reduced vaccine immunogenicity but evidence is lacking on whether vaccine efficacy is affected by prior vaccination history. The efficacy of one dose of TIV in children 6-8 y of age against influenza B is uncertain. We examined whether immunogenicity and efficacy of influenza v...
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