J&J's 1-dose shot cleared, giving US 3rd COVID-19 vaccine | PBS News Weekend
One-dose Janssen COVID-19 vaccine approved by the MHRA - GOV.UK
J&J's Covid vaccine is 66% effective, a weapon but not a knockout punch
Coronavirus vaccination: the most important questions and answers
10 facts about Americans and coronavirus vaccines | Pew Research Center
One vaccine dose significantly reduces COVID-19 infections and boosts immunity | NIHR
Safety and immunogenicity of one versus two doses of the COVID-19 vaccine BNT162b2 for patients with cancer: interim analysis of a prospective observational study - The Lancet Oncology
Single dose of vaccine acts as 'booster' in those with prior COVID-19 infection | Imperial News | Imperial College London
COVID-19 Vaccine Second-Dose Completion and Interval Between First and Second Doses Among Vaccinated Persons — United States, December 14, 2020−February 14, 2021 | MMWR
Covid-19 - Orange City Health
Coronavirus (COVID-19) Vaccinations - Our World in Data
Safety and efficacy of the ChAdOx1 nCoV-19 vaccine (AZD1222) against SARS-CoV-2: an interim analysis of four randomised controlled trials in Brazil, South Africa, and the UK - The Lancet
Measuring Vaccination Impact & Coverage
FDA rebukes any suggestion of changing COVID-19 vaccine doses
Is one-dose COVID-19 vaccination better than two?
Immune responses to a single dose of the AZD1222/Covishield vaccine in health care workers | Nature Communications
Safety and Efficacy of the BNT162b2 mRNA Covid-19 Vaccine | NEJM
Interim Estimates of Vaccine Effectiveness of Pfizer-BioNTech and Moderna COVID-19 Vaccines Among Health Care Personnel — 33 U.S. Sites, January–March 2021 | MMWR
EU backs mix-and-match vaccines – DW – 12/07/2021
