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The 1957–1958 Asian flu pandemic was a global pandemic of influenza A virus subtype H2N2 that originated in Guizhou in Southern China. The number of excess deaths caused by the pandemic is estimated to be 1–4 million around the world (1957–1958 and probably beyond), making it one of the deadliest pandemics in history.
The nasal flu vaccine has extensive data demonstrating comparable effectiveness and acceptable safety relative to other flu vaccines, says Dr. Jhaveri. “The American Academy of Pediatrics ...
A viral vector vaccine is a vaccine that uses a viral vector to deliver genetic material ( DNA) that can be transcribed by the recipient's host cells as mRNA coding for a desired protein, or antigen, to elicit an immune response. [1] As of April 2021, six viral vector vaccines, four COVID-19 vaccines and two Ebola vaccines, have been authorized ...
The smallpox vaccine is the first vaccine to have been developed against a contagious disease. In 1796, British physician Edward Jenner demonstrated that an infection with the relatively mild cowpox virus conferred immunity against the deadly smallpox virus. Cowpox served as a natural vaccine until the modern smallpox vaccine emerged in the ...
Influenza (flu) H3N1 is a subtype of the species Influenza A virus, mostly affecting pigs. The known subtypes of Influenza A virus that create influenza in pigs and are endemic in pigs are H1N1, H1N2, H3N1 and H3N2. [1] [2]
Vaxneuvance is a pneumococcal 15-valent conjugate vaccine created by Merck that was approved for medical use in the United States in July 2021. The vaccine was developed under the code name "V114". It is identical to PCV13, except that it adds serotypes 22F and 33F.