Analyzing COVID-19 Vaccine Efficacy and Boosters

The chapter critically examines the effectiveness of COVID-19 vaccines and the need for boosters, focusing on data from research reports like MMWR and JAMA. It discusses how vaccine efficacy varies over time, especially with the Delta variant and among different demographics. The chapter also emphasizes the importance of boosters, particularly for immunocompromised individuals, based on studies comparing Pfizer and Moderna vaccines.