Unvaccinated adults are nearly six times more likely to test positive for COVID-19 and 14 times more likely to die from the virus compared to vaccinated individuals, new CDC data shows.

While U.S. health officials recommend all adults get their COVID-19 booster shots, they're not currently required to be considered fully vaccinated. 

Vermont has the highest percentage of its population fully vaccinated against COVID-19, according to the CDC's COVID-19 vaccine distribution and administration data tracker.

Wisconsin has administered the highest percentage of COVID-19 vaccines it has received, according to the CDC's COVID-19 vaccine distribution and administration data tracker.

New daily COVID-19 hospitalization rates in the U.S. have risen 9 percent over the last two weeks, with 28 states seeing hospitalization rates trend upward, according to data tracked by The New York Times.

In a Nov. 23 update, the World Health Organization issued clinical management recommendations for the treatment of multisystem inflammatory syndrome in children, a rare but serious condition tied to COVID-19. 

Between Nov. 11 and Nov. 18, 141,905 COVID-19 cases were reported among children in the U.S., marking a 32 percent increase since the week ending Nov. 4., according to a Nov. 22 update from the American Academy of Pediatrics. 

A large majority of Americans intend to gather with friends and family for Thanksgiving, though who is gathering differs by race/ethnicity and vaccination status, according to Axios-Ipsos Coronavirus Index poll findings published Nov. 23. 

Here are 22 COVID-19-related research findings covered by Becker's Hospital Review since Oct. 26:

Chief medical officers across Michigan hospitals are asking residents to take advantage of vaccines to help curb a surge in COVID-19 cases ahead of the holiday season. 

Over the last week, seven-day COVID-19 case averages have risen in 28 states, flattened in two and dropped in 20, according to data tracked by Baltimore-based Johns Hopkins Coronavirus Resource Center.

As of November 24, more than 774,000 people in the U.S. had died after contracting COVID-19, according to The New York Times.

There's some evidence indicating that COVID-19 is, or may become, a seasonal disease, which means understanding the seasonal patterns could help scientists anticipate surges in advance, The Atlantic reported Nov. 20.

Pregnant women who contract COVID-19 may be at an increased risk for stillbirth compared to women without the infection, a Nov. 19 CDC report found.

The nation's COVID-19 death tally has surpassed that of 2020, according to data from the CDC and Baltimore-based Johns Hopkins University. 

Before COVID-19 booster shots were authorized for all adults, the U.S. government had already recommended boosters for Americans with certain high-risk conditions, including mental health conditions. The decision came after numerous studies linked mental health disorders to a higher COVID-19 risk and more severe outcomes, NPR reported Nov. 22.

SARS-CoV-2, the virus that causes COVID-19, can sometimes trigger several post-viral syndromes, or diseases occurring after infection, NPR reported Nov. 18.

Cases of COVID-19 continue to climb in the United States just before a Thanksgiving that most expected to be a return to pre-pandemic normal. 

The seven-day average of new COVID-19 cases in New York is on the rise, with the state recording a seven-day average of 6,901 cases as of Nov. 21, a rate not reported since mid-April. 

Here are the rates of positive COVID-19 tests in each state, along with the number of new cases most recently reported and number of tests conducted per 100,000 people.