James D. Chappell

Research Areas

COVID-19 Clinical Research Studies, SARS-CoV-2 and COVID-19 Research, Influenza Virus Research Studies, Virology and Viral Diseases, Respiratory viral infections research

Most-Cited Works

• → Effectiveness of COVID-19 Vaccines by Genetic Match to Circulating SARS-CoV-2 Strains in the United States, 2023–2025(2026)
• → Interim Estimates of 2025–26 Seasonal Influenza Vaccine Effectiveness — United States, September 2025–February 2026(2026)