Unvaccinated children ages 5 to 11 were more than twice as likely to be hospitalized for COVID-19 during the Omicron wave, and nearly a third of hospitalized kids overall had no underlying medical conditions while about a fifth required intensive care unit (ICU) admission, researchers found.

The Biden administration unveiled a new plan on Tuesday to improve the nation's understanding of long COVID and to better prevent, detect, and treat the condition, particularly in hard-hit communities.