When Are We Getting Another Shot?

US regulators advised manufacturers last week to update the Covid-19 vaccine in time for the fall booster program with new formulas that would better protect against the more infectious Omicron subvariants, which are dominating coronavirus transmissions in the United States. CNN medical analyst Dr. Leana Wen and professor of health policy and management at the George Washington University Milken Institute School of Public Health answers public questions about the topic. Read here.