ATLANTA, Ga. — The delta variant that’s now the dominant strain of coronavirus in the U.S. appears to be as transmissible as chickenpox, according to an internal document from the Centers for Disease ...

The delta coronavirus variant surging across the United States appears to cause more severe illness and spread as easily as chickenpox, according to an internal document from the US Centers for ...

The delta variant has emerged as the dominant strain of the novel coronavirus in the United States, according to updated data from the Centers for Disease Control and Prevention (CDC). The CDC’s ...

Delta deadliest among COVID-19 variants, say CCMB scientists. Five different SARS-CoV-2 variants were chosen and scientists ...

The outbreak of coronavirus infections, including COVID-19 vaccine breakthrough infections, is associated with large public gatherings, including one in Barnstable County, Massachusetts, according to ...

Questions are appearing on social media about how we know there is a rise in certain COVID-19 variants if individual tests cannot detect specific variants. The U.S. Centers of Disease Control and ...

WASHINGTON (NEXSTAR) — While the White House acknowledges it won’t meet its goal of vaccinating 70% of Americans by the Fourth of July, federal health officials say fireworks and parties can still go ...

Alexander Tin is a digital reporter for CBS News based in the Washington, D.C. bureau. He covers federal public health agencies. "Looking at cases over the past two months when the Delta variant was ...

New evidence showing the delta variant is as contagious as chickenpox and may be more dangerous than other versions has prompted U.S. health officials to consider changing advice on how the nation ...