How is vaccine efficacy calculated

#PureScience #Covid #Vaccine #Efficacy
Promising vaccine candidates are now showing high efficacy, but how is this value calculated? ThePrint’s Sandhya Ramesh explains the maths behind efficacy calculations and why they’re not as simple as they seem.

Supplementary reading:
- Wired | The AstraZeneca Covid Vaccine Data Isn't Up to Snuff https://www.wired.com/story/the-astrazeneca-covid-vaccine-data-isnt-up-to-snuff/
- NYT | After Admitting Mistake, AstraZeneca Faces Difficult Questions About Its Vaccine https://www.nytimes.com/2020/11/25/business/coronavirus-vaccine-astrazeneca-oxford.html
CDC | Vaccine efficacy https://www.cdc.gov/csels/dsepd/ss1978/lesson3/section6.html
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Видео How is vaccine efficacy calculated канала ThePrint