How effective are vaccines against omicron? An epidemiologist answers 6 questions
- Written by Melissa Hawkins, Professor of Public Health, American University
Understanding how much protection a vaccine offers is not as simple as it sounds.Andriy Onufriyenko/Moment via Getty ImagesThe pandemic has brought many tricky terms and ideas from epidemiology into everyone’s lives. Two particularly complicated concepts are vaccine efficacy and effectiveness. These are not the same thing. And as time goes...
Read more: How effective are vaccines against omicron? An epidemiologist answers 6 questions