Estimates Delta Variant Accounts for Over Half of U.S. Cases Research suggests that most vaccines still provide good protection against it. The world is worried about the Delta virus variant. Credit... Jack Guez/Agence France-Presse — Getty Images As the Delta variant sweeps the world, researchers are tracking how well vaccines protect against it — and getting different answers. Officials said the outbreak appeared to have begun after a case of the highly contagious Delta variant escaped the country’s isolation facilities. And the more contagious Delta variant is now the predominant variant in the city.

Source: International New York Times July 07, 2021 09:03 UTC