Waning Vaccine Effectiveness Against Influenza-Associated Hospitalizations Among Adults, 2015-2016 to 2018-2019, United States Hospitalized Adult Influenza Vaccine Effectiveness Network.
retrospective_cohort · Level III
Where this comes from
- Record sourced from PubMed, PMID 33462610.
- Also identified by DOI 10.1093/cid/ciab045 and PMC identifier 8499703.
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Abstract
We observed decreased effectiveness of influenza vaccine with increasing time since vaccination for prevention of influenza A(H3N2), influenza A(H1N1)pdm09, and influenza B/Yamagata-associated hospitalizations among adults. Maximum vaccine effectiveness (VE) was observed shortly after vaccination, followed by an absolute decline in VE of about 8%-9% per month postvaccination.
Medical subject headings
- Influenza A Virus, H1N1 Subtype
- Influenza Vaccines
- Influenza, Human