Author Interviews, CDC, COVID -19 Coronavirus, Vaccine Studies / 17.09.2021
CDC Evaluates Effectiveness of Three COVID-19 Vaccines
MedicalResearch.com Interview with: Scott Pauley Press Officer, News Media Branch Division of Public Affairs Office of the Associate Director for Communication MedicalResearch.com: What is the background for this study?
- In this real-world study of vaccine effectiveness:
- Researchers compared hospitalized patients who tested positive for the virus that causes COVID-19 (case patients) to hospitalized patients who tested negative for the virus (control patients)
- Vaccine effectiveness was calculated for each type of vaccine by comparing the proportion of cases patients and control patients vaccinated
- 3,689 patients were included (1,682 case-patients and 2,007 control-patients)