We Answer Your COVID-19 Questions as New Variants Spread

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Nurse wearing PPE taking swab test of female patient at doctor's office during COVID-19
 (Getty Images)

Covid 19 cases are on the rise again as various Omicron subvariants spread. Epidemiologists warn that people may not have as much immunity to new variants compared with previous strains of the virus. It can be hard to keep track of changing guidelines such as when to wear a mask or schedule vaccine boosters. Evaluating the risk for summer travel can be confusing. We take your questions about new Covid 19 variants and discuss the latest news, research, and where we are in the pandemic.


Dr. Bob Wachter, professor and chair of the Department of Medicine, University of California, San Francisco

Dr. Yvonne (Bonnie) Maldonado, professor of Pediatrics and of Epidemiology and Population Health Chief, Division of Pediatric Infectious Diseases Stanford University School of Medicine