Despite declining national numbers, Americans should not lose sight of the ongoing public health crisis as hospitals remain overwhelmed with COVID-19 patients, many of whom are unvaccinated.
In new studies on mice and hamsters, the Omicron variant led to less damaging infections and appeared to be limited to the upper airway, which includes the nose, throat, and windpipe.
Booster shot protection against symptomatic COVID-19 caused by the Omicron variant appears to fade in about 10 weeks, according to new data from Britain.
Most of the 43 cases of the COVID-19 Omicron variant found in the United States were mild and occurred among vaccinated people, but boosters are effective against it.