COVID-19: Which vaccine could reach developing countries first?
Effectiveness of Pfizer-BioNTech and Moderna Vaccines Against COVID-19 Among Hospitalized Adults Aged ≥65 Years — United States, January–March 2021 | MMWR
Mixing Pfizer, AstraZ COVID-19 shots with Moderna gives better immune response -UK study | Reuters
Moderna suing Pfizer over Covid vaccine technology - BBC News
Moderna: Covid vaccine shows nearly 95% protection - BBC News
FDA approves Pfizer and Moderna booster doses, authorizes mix and match for COVID-19 vaccines
Moderna vaccine slightly more effective than Pfizer – Harvard Gazette
Milwaukee Health Department to Offer Extended Use of Pfizer and Moderna COVID-19 Vaccines
FDA vaccine advisers 'disappointed' and 'angry' that early data about new Covid-19 booster shot wasn't presented for review last year | CNN
US opens second COVID boosters to 50 and up, others at risk | AP News
Moderna vs. Pfizer: Is There a "Best" mRNA Vaccine? | The Scientist Magazine®
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
FDA Just Authorized Moderna, Pfizer Bivalent Vaccines for Kids Under 5 | Barron's
Moderna and Pfizer | Health.mil
Pfizer, Moderna to be ready with BA.1-specific COVID boosters | Reuters
Pfizer-BioNTech and Moderna mRNA Vaccines Elicit Different Antibody Responses
Carroll County Health Department
Mixing and Matching Covid Vaccines Is Examined by F.D.A. Panel - The New York Times
Pfizer, Moderna raising vaccine prices in Europe: report | The Hill
How to Decide Which Covid Booster Shot to Get - The New York Times
