"Younger, sicker and quicker (to get worse)": 4th U.S. wave vaults past multiple records, as Delta muscles its way to 95% dominance; Herd...

Fourth wave of infections arrives in the U.S., spearheaded by stunningly rapid surge of the more powerful Delta variant; International...

U.S. continues to win the battle against third wave; Brazil and India turn the corner, while the U.K. plateaus; Pain from new...

After troubling surge, U.S. resumes progress on third death wave before plateauing; Crystal ball: Best news of Spring 2021? New...

U.S. progress on third death wave sputters and reverses; Crystal ball: signs continue to show fourth wave of infections; Change of focus...

Micro-edition update; U.S. progress on third death wave drives forward, but then stalls out;Crystal ball: Time to buckle up? Infections...

Micro-edition update; U.S. continues to make progress battling down third death wave; Crystal ball: Progress on third wave of infections...

Progress on third death wave ominously stalls out and reverses; Crystal ball: Progress on third U.S. infection wave also stalls out at...

At long last, third U.S. death wave finally pulls back, but experts warn fast-spreading mutations may shorten the reprieve; Crystal ball:...

Third U.S. death wave continues to plateau, but not yet showing signs of hoped-for turning point; Crystal ball: Third U.S. infection wave...

Third U.S. death wave holds onto tenuous plateau for second week in a row, giving hope of a turnaround; World round up: South Korea puts...