Influenza vaccine
id:
influenza-vaccine-169-663644
title:
Influenza vaccine
text:
Influenza vaccines, colloquially known as flu shots, are vaccines that protect against infection by influenza viruses. New versions of the vaccines are developed twice a year, as the influenza virus rapidly changes. While their effectiveness varies from year to year, most provide modest to high protection against influenza. Vaccination against influenza began in the 1930s, with large-scale availability in the United States beginning in 1945. Both the World Health Organization and the US Centers
brand slug:
wiki
category slug:
encyclopedia
description:
Vaccine against influenza
original url:
https://en.wikipedia.org/wiki/Influenza_vaccine
date created:
2004-10-06T23:41:44Z
date modified:
2024-08-31T19:22:24Z
main entity:
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image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/9/9f/Defense.gov_News_Photo_041028-N-9864S-021.jpg","width":3008,"height":1960}
fields total:
13
integrity:
16