Abstract
What is already known about this topic? Messenger RNA (mRNA) COVID-19 vaccines have been shown to be effective in preventing symptomatic SARS-CoV-2 infection in randomized placebo-controlled Phase III trials. What is added by this report? Prospective cohorts of 3,950 health care personnel, first responders, and other essential and frontline workers completed weekly SARS-CoV-2 testing for 13 consecutive weeks. Under real-world conditions, mRNA vaccine effectiveness of full immunization (≥14 days after second dose) was 90% against SARS-CoV-2 infections regardless of symptom status; vaccine effectiveness of partial immunization (≥14 days after first dose but before second dose) was 80%. What are the implications for public health practice? Authorized mRNA COVID-19 vaccines are effective for preventing SARS-CoV-2 infection in real-world conditions. COVID-19 vaccination is recommended for all eligible persons.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 495-500 |
| Number of pages | 6 |
| Journal | Morbidity and Mortality Weekly Report |
| Volume | 70 |
| Issue number | 13 |
| DOIs | |
| State | Published - 2021 |
ASJC Scopus subject areas
- Epidemiology
- Health(social science)
- Health, Toxicology and Mutagenesis
- Health Information Management
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Dive into the research topics of 'Interim estimates of vaccine effectiveness of BNT162b2 and mRNA-1273 COVID-19 vaccines in preventing SARS-CoV-2 infection among health care personnel, first responders, and other essential and frontline workers Eight U.S. Locations, December 2020 March 2021'. Together they form a unique fingerprint.Cite this
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