Driven by the Delta Variant, the Fourth Wave of COVID-19 in the U.S. Could Be Worse Than the Third. In Some States, It Already Is

Just a month ago, even as signs of a fourth wave of COVID-19 infections in the U.S. were blossoming in the lower Midwest, the memory of a long, miserable winter kept us warm. Even places with burgeoning case rates were far below their catastrophic peaks over the holidays, when a combination of cold weather and … Read more

FDA Authorizes Booster Shot of COVID-19 Vaccine for People With Weakened Immune Systems

WASHINGTON (AP) — U.S. regulators say transplant recipients and others with severely weakened immune systems can get an extra dose of the Pfizer or Moderna COVID-19 vaccines to better protect them as the delta variant continues to surge. The late-night announcement Thursday by the Food and Drug Administration applies to several million Americans who are … Read more