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https://www.fda.gov/vaccines-blood-biologics/vaccines/influenza-h1n1-2009-monovalent-vaccine-sanofi-pasteur-inc Influenza A (H1N1) 2009 Monovalent Vaccine (Sanofi Pasteur, Inc.) | FDA Active immunization of persons 6 months of age and older against influenza disease caused by pandemic (H1N1) 2009 virus. influenza a h1n1 sanofi pasteur inc monovalent vaccine 2009 fda https://pmc.ncbi.nlm.nih.gov/articles/PMC5139605/ History and evolution of influenza control through vaccination: from the first monovalent vaccine... Influenza is a highly infectious airborne disease with an important epidemiological and societal burden; annual epidemics and pandemics have occurred since... history and evolution https://www.acsh.org/tags/xbb-monovalent-covid-vaccine XBB monovalent COVID vaccine | American Council on Science and Health covid vaccine american council xbb monovalent science