http://www.newsweek.com/avoid-omicron-2-support-poorer-countries-scientists-urge-immunocompromised-1655853

Rich countries need to do more to protect people in developing nations if the world is to prevent future outbreaks of dangerous new variants, scientists said.

Their concern comes as several researchers have suggested that the Omicron variant of COVID might have evolved in someone with a compromised immune system.