# The BNT162b2 (BioNTech/Pfizer) vaccine had 95% efficacy against COVID-19 ≥7 days after the 2nd dose

**Type:** Papers  
**Canonical URL:** https://scholariq.org/papers/the-bnt162b2-biontech-pfizer-vaccine-had-95-efficacy-against-covid-19-7-days/

## Facts

| Field | Value |
| --- | --- |
| Author Names | Zain Chagla |
| Citations | 116 |
| DOI | 10.7326/acpj202102160-015 |
| Fields | Medicine |
| Open Access | false |
| OA Status | closed |
| OpenAlex ID | https://openalex.org/W3127448174 |
| PMID | 33524290 |
| Type | article |
| Year | 2021 |

## Paper authors

- [Zain Chagla](https://scholariq.org/researchers/zain-chagla/)

## Paper journal

- [Annals of Internal Medicine](https://scholariq.org/journals/annals-of-internal-medicine/)

## Paper primary topic

- [SARS-CoV-2 and COVID-19 Research](https://scholariq.org/topics/sars-cov-2-and-covid-19-research/)

## Paper topics

- [SARS-CoV-2 and COVID-19 Research](https://scholariq.org/topics/sars-cov-2-and-covid-19-research/)

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Source: ScholarIQ — public research metadata, principally OpenAlex. See https://scholariq.org/sources/ for provenance and https://scholariq.org/methodology/ for what these figures mean.
