Interim Estimates of Vaccine Effectiveness of Pfizer-BioNTech ... User whatthefir2, in the actualScience subreddit, 11 Sep 2021
Effectiveness of Pfizer-BioNTech and Moderna Vaccines Against COVID-19 User InquisitorCOC, in the InquisitorCOC subreddit, 28 Apr 2021
Effectiveness of Pfizer-BioNTech and Moderna Vaccines Against COVID-19 Among Hospitalized Adults Aged ≥65 Years — United States, January–March 2021 User edmar10, in the COVID-19 subreddit, 28 Apr 2021