A group of 24 Republican state attorneys general, led by Louisiana’s Jeff Landry and including Arizona, Florida, Georgia, Iowa, Kansas, Missouri, Montana, Nebraska, Ohio and Tennessee, challenged the mandate last month.

Monday on Political Rewind, our first show of 2022, we discussed the stories that will likely drive the news in the months ahead—including COVID-19, internal schisms in the Georgia GOP, Stacey Abrams' second shot at governor, and more. 

The CDC recently cut the number of days it recommends COVID-positive people remain in isolation from 10 days to five, but it didn't require a negative test to leave isolation.

A resurgence in COVID-19 cases is testing the endurance of health care workers who care for the sickest patients, most of whom are unvaccinated.

The variant caused fewer deaths and less severe infections than past versions of the virus in South Africa, but that could be different in other countries.

The CDC revised its guidance Thursday, as 91 cruise ships are under investigation for COVID outbreaks onboard. Most cruise lines require adult passengers to show proof of vaccination against COVID-19.

Two studies that have not yet been peer reviewed indicate increased protection against the infectious omicron variant.

The Centers for Disease Control changed its guidelines for isolation and quarantine during this pandemic. Not everyone is sure how to define those terms. Also, not everyone is 100% behind the changes.

Skyrocketing COVID-19 case rates have caused officials In New York City and elsewhere to scale back their New Year's Eve celebrations. Around the country, people are facing tough decisions.

The seven-day average of new COVID-19 cases topped 280,000 this week as the omicron variant spreads rapidly across the country, according to Johns Hopkins University's tracker.

Some workers are concerned about new guidance from the Centers for Disease Control and Prevention that shortens the isolation period for COVID-19 cases.

New data from the CDC released on Tuesday shows that while omicron remains the dominant variant, delta — which is the more severe strain — is still a worrisome driving force behind the current surge.

Washington, D.C., is considered the highest-risk place for COVID infection in the nation. Data shows D.C. had 1,192 new cases per day and 169 cases per 100,000 in the seven-day period ending Monday.

People who test positive need to isolate themselves for 5 days if they don't show symptoms. The change reflects "what we know about the spread of the virus" and vaccine protection, the CDC chief says.

Most states are at the highest level of COVID risk and hot spots are emerging across the country as the omicron variant takes hold. Here are the latest numbers by state.