- Johnson & Johnson Says Single-Dose Coronavirus Vaccine is 66% Effective https://www.msn.com/en-us/health/medical/johnson-26-johnson-says-single-dose-coronavirus-vaccine-is-66-25-effective/ar-bb1ddcoy 4 comments worldnews
- Covid vaccine: Janssen single dose Covid vaccine 66% effective https://www.bbc.co.uk/news/health-55857530 49 comments europe
- Single Covid vaccine dose in Israel 'less effective than we thought' https://www.theguardian.com/world/2021/jan/19/single-covid-vaccine-dose-in-israel-less-effective-than-we-hoped 16 comments europe
- Coronavirus | Single dose of vaccine half as effective as double dose against B.1.617.2 variant: U.K. https://www.thehindu.com/news/national/coronavirus-single-dose-only-33-effective-against-b16172-variant-uk/article34628435.ece 9 comments india
- Single Dose of Moderna, Pfizer COVID-19 Vaccine Nearly as Effective as Two Doses. https://www.nejm.org/doi/full/10.1056/nejmc2036242 39 comments science
- Israel is warning that a single dose of the Pfizer vaccine is 'less effective than we hoped' against COVID-19, and it could be a blow to the US and UK strategies https://www.businessinsider.com/israel-covid-boss-single-vaccine-dose-less-effective-than-hoped-2021-1 49 comments worldnews
- CDC: Vaccine effectiveness study among HCP found a single dose of Pfizer-BioNTech or Moderna COVID-19 vaccines to be 82% effective against symptomatic COVID-19 and 2 doses to be 94% effective. https://www.cdc.gov/mmwr/volumes/70/wr/mm7020e2.htm 125 comments science