نتایج جستجو برای: influenza a h1n1 vaccination
تعداد نتایج: 13470206 فیلتر نتایج به سال:
BACKGROUND Healthcare workers (HCWs) are encouraged to get vaccinated during influenza pandemics to reduce their own, and patients', risk of infection, and to encourage their patients to get immunised. Despite extensive research on HCWs' receipt of vaccination, little is known about how HCWs articulate pandemic influenza vaccination advice to patients. AIMS To explore HCWs' uptake of the A/H1...
BACKGROUND Although influenza causes significant morbidity and mortality in the elderly, the factors underlying the reduced vaccine immunogenicity and efficacy in this age group are not completely understood. Age and immunosenescence factors, and their impact on humoral immunity after influenza vaccination, are of growing interest for the development of better vaccines for the elderly. METHOD...
In this report, we describe the occurrence of two novel swine influenza viruses (SIVs) in pigs in Argentina. These viruses are the result of two independent reassortment events between the H1N1 pandemic influenza virus (H1N1pdm) and human-like SIVs, showing the constant evolution of influenza viruses at the human-swine interface and the potential health risk of H1N1pdm as it appears to be maint...
BACKGROUND Infants are at high risk for influenza illness, but are ineligible for vaccination before 6 months. Transfer of maternal antibodies to the fetus has been demonstrated for 2009 A/H1N1 pandemic vaccines; however, clinical effectiveness is unknown. Our objective was to evaluate the association between 2009 A/H1N1 pandemic vaccination during pregnancy and rates of infant influenza and pn...
OBJECTIVES The aim of the study was to find out the approach of students to vaccination against seasonal influenza, how they perceived risk associated with influenza pandemic, and whether the pandemic influenced their approach to vaccination against seasonal flu. METHODS Data collection was conducted through an anonymous questionnaire survey. Distribution and collection of questionnaires took...
Healthcare workers (HCW) were prioritized for vaccination during the 2009 influenza A(H1N1)pdm09 pandemic. We conducted a clinical trial in October 2009 where 237 HCWs were immunized with a AS03-adjuvanted A(H1N1)pdm09 monovalent vaccine. In the current study, we analyzed the homologous and cross-reactive H1N1 humoral responses using prototype vaccine strains dating back to 1977 by the haemaggl...
Most vaccines, including those against influenza, were developed by focusing solely on humoral response for protection. However, vaccination activates different adaptive compartments that might play a role in protection. We took advantage of the pandemic 2009 A(H1N1) influenza vaccination to conduct a longitudinal integrative multiparametric analysis of seven immune parameters in vaccinated sub...
BACKGROUND Trivalent inactivated influenza vaccine (TIV) is not licensed for use in infants <6 months old, the group with the highest influenza hospitalization rates among children. METHODS In this prospective, open-label study, 2 doses of TIV were administered to healthy infants aged 10-22 weeks. Adverse reactions were assessed, and hemagglutination inhibition (HAI) antibody titers were dete...
BACKGROUND Veterans of the U.S. armed forces tend to be older and have more chronic health problems than the general adult population, which may place them at greater risk of complications from influenza. Despite Centers for Disease Control and Prevention (CDC) recommendations, seasonal influenza vaccination rates for the general adult population remain well below the national goal of 80%. Achi...
There is an urgent need for human immunodeficiency virus (HIV) vaccines that induce robust mucosal immunity. Influenza A viruses (both H1N1 and H3N2) were engineered to express simian immunodeficiency virus (SIV) CD8 T-cell epitopes and evaluated following administration to the respiratory tracts of 11 pigtail macaques. Influenza virus was readily detected from respiratory tract secretions, alt...
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