Rob Steinfeb News Today

Bioethicists, doctors and lawyers are weighing whether to redefine how someone should be declared dead. A change in criteria for brain death could have wide-ranging implications for patients care.

The main reason the surge is ebbing now, pandemic experts suspect, is the significant immunity many people in the U.S. have acquired from prior infections and COVID vaccinations many received.

New research out of New York found the protection of the vaccine against infection in kids ages 5 to 11 dropped from 68% to 12%.

The omicron BA..2 variant spreads about 30% more easily and has caused surges in other countries. Its steady increase in the U.S. raises questions about the wisdom of rolling back COVID restrictions.

Pfizer and BioNTech are expected to file for emergency use authorization with the Food and Drug Administration as early as Tuesday.