A case study of one infected household observed that it may take as little as three days for people to become contagious, compared with four to six days with earlier versions of the virus. https://ift.tt/344vaB8 https://ift.tt/3eu2t2n World New York Times December 27, 2021 at 07:00PMAn early Omicron cluster in the U.S. suggests the variant has a shorter incubation period.

By Adeel Hassan from NYT World https://ift.tt/344vaB8
https://ift.tt/344vaB8 https://ift.tt/3eu2t2n New York Times