Scientists Say a “Doomsday” Variant after Delta Isn’t Likely. But Here’s What’s Possible
Scientists Say a “Doomsday” Variant after Delta Isn’t Likely. But Here’s What’s Possible
San Francisco Chronicle—Senior Investigator Warner Greene, MD, PhD, draws from his expertise as a virologist to explain how Delta and other coronavirus variants might evolve.
COVID-19 Center for HIV Cure Research Infectious Disease Greene Lab


