Because of a surge in coronavirus cases, Los Angeles Mayor Eric Garcetti has expand testing hours at Dodger Stadium, where a long line formed Wednesday evening. Although a winter surge of COVID-19 is now unavoidable, experts caution that the number of infections and deaths it will bring is not yet written in stone — and its magnitude depends on what we do next. “Saying a surge is inevitable may sound like fatalism," said William Hanage , an epidemiologist at Harvard’s T.H. "But of course, people have to remove their masks to eat.”Recent surges in coronavirus cases have caused England, France, Greece, Spain and other European countries to reinstate lockdowns. Experts say that's further evidence that a winter surge in the U.S. is all but certain.