Omicron could be headed for a rapid drop in Britain, US

Scientists are seeing signals that COVID-19′s alarming omicron wave may have peaked in Britain and is about to do the same in the U.S., at which point cases may start dropping off dramatically.

When am I contagious if infected with omicron?

It's not yet clear when people infected with omicron become contagious but early data suggests it might be sooner than with earlier variants. In general, people with the coronavirus are most infectious in the few days before and after symptoms develop. But some researchers say that window might come earlier with omicron. That's because omicron appears to cause symptoms faster than earlier variants. Some experts say that could mean people with omicron become contagious within a day after infection. But researchers note it's too soon to know whether omicron's faster onset translates into earlier contagiousness.

Low COVID vaccination rates in kids worries pediatricians

Distrust, misinformation and other factors have combined to produce what authorities say are alarmingly low COVID-19 vaccination rates in U.S. children ages 5 to 11 — just over 17% as of Tuesday, more than two months after shots for them became available.