'We do have a lot to worry about' with Covid Delta variant

With U.S. hospitalizations linked to Covid on the rise, Dr. Irwin Redlener is among the health care professionals warning that the Delta variant of the virus poses a real threat -- particularly to those who are not vaccinated.

Our goal is to create a safe and engaging place for users to connect over interests and passions. In order to improve our community experience, we are temporarily suspending article commenting