Intelligence Squared: Are Boosters Shots Unethical?

In places likes the U.S., Britain, and Israel, authorities are providing additional Covid-19 vaccines with the goal of bolstering immune systems and shoring up their economies.Though vaccines such as Moderna and Pfizer-BioNTech have proven highly effective against the virus, efficacy wanes after six months, rendering older adults and those with weakened immune systems more vulnerable. Yet a debate about fairness, when much of the planet is unvaccinated, is growing. Dr. Vin Gupta, Pulmonologist and Professor of Health Metrics Sciences at the Institute for Health Metrics and Evaluation, and Leana Wen, former Baltimore health commissioner, CNN medical analyst, and Washington Post contributing columnist, square off.