# Effectiveness of BNT162b2 and mRNA-1273 covid-19 vaccines against symptomatic SARS-CoV-2 infection and severe covid-19 outcomes in Ontario, Canada: test negative design study

**Type:** Papers  
**Canonical URL:** https://scholariq.org/papers/effectiveness-of-bnt162b2-and-mrna-1273-covid-19-vaccines-against-symptomatic/

## Facts

| Field | Value |
| --- | --- |
| Author Names | Hannah Chung,Siyi He,Sharifa Nasreen,Maria E. Sundaram,Sarah A. Buchan,Sarah E. Wilson,Branson Chen,Andrew Calzavara,Deshayne B. Fell,Peter C. Austin,Kumanan Wilson,Kevin L. Schwartz,Kevin A. Brown,Jonathan B. Gubbay,Nicole E. Basta,Salaheddin M. Mahmud,Christiaan H. Righolt,Lawrence W. Svenson,Shannon E. MacDonald,Naveed Z. Janjua,Mina Tadrous,Jeffrey C. Kwong |
| Citations | 324 |
| DOI | 10.1136/bmj.n1943 |
| Fields | Agricultural and Biological Sciences,Medicine |
| Open Access | true |
| OA Status | hybrid |
| OA URL | https://www.bmj.com/content/bmj/374/bmj.n1943.full.pdf |
| OpenAlex ID | https://openalex.org/W3194598131 |
| PMID | 34417165 |
| Type | article |
| Year | 2021 |

## Paper authors

- [Nicole E. Basta](https://scholariq.org/researchers/nicole-e-basta/)

## Paper journal

- [BMJ](https://scholariq.org/journals/bmj-2/)

## 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/)
- [Animal Virus Infections Studies](https://scholariq.org/topics/animal-virus-infections-studies/)
- [COVID-19 Clinical Research Studies](https://scholariq.org/topics/covid-19-clinical-research-studies/)

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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.