RELATED: Fauci says he doesn’t see ‘us eradicating’ the coronavirusThat would happen as people build up immunity over time, either through infection or vaccination.
Other viruses have followed a similar path.The 1918 flu pandemic could also offer clues about the course of COVID-19.AdvertisementThe U.S.
Centers for Disease Control and Prevention estimates that a third of the world’s population became infected with that virus, which originated in birds.