Sen. Elizabeth Warren tests positive for COVID-19

The Massachusetts Democrat announced Sunday that she has contracted a breakthrough COVID-19 infection.

Omicron infections 'just raging around the world,' Fauci says

The prospect of a winter chilled by a wave of infections is a severe reversal from the optimism projected by Biden months ago when he suggested the country would be back to normal by Christmas.

Omicron variant may hinder 2 leading drugs against COVID-19

The rapidly-spreading omicron variant may soon leave U.S. doctors without two of the standard treatments they’ve used to fight COVID-19.

9 in Arizona accused of defrauding pandemic relief program, obtaining over $23M

Authorities alleged the Colemans used the money to purchase four properties including a $3.8 million home, luxury vehicles, furniture and investments.

Omicron forces wave of closures nationwide as Biden warns winter of 'death' encroaching

As the omicron variant of the coronavirus is poised to become the new leading variant in the United States, many schools and businesses are closing their doors over what President Biden is predicting to be a winter of "severe illness and death."

Arizona reports 2,745 more COVID-19 cases and 3 more deaths

Data from the state Department of Health Services’ dashboard showed that 68.3% of Arizonans old enough to get vaccinated have received at least one shot with 58.2% fully vaccinated.

Arizona mayor defies governor's COVID vaccine mandate ban: 'No authority'

One Arizona mayor announced that she will keep the coronavirus vaccine mandate for city workers in place despite Gov. Doug Ducey's renewal of an executive order banning local governments from imposing the vaccine requirements.

Pima County board member proposes indoor masking mandate

A member of the Pima County Board of Supervisors wants to help curb the spread of the coronavirus by imposing a countywide mandate for people to wear masks while inside indoor public places and cannot easily social distance.

Arizona health expert says to use caution this holiday season amid COVID-19 surge: 'We are all responsible'

Dr. Ross Goldberg with Valleywise Health says to not cancel your holiday plans amid a COVID-19 surge, but to continue using caution around a large group of people, vaccinated or not.

NFL eases COVID-19 testing protocols for asymptomatic vaccinated players

The NFL and NFLPA have agreed on a more targeted testing protocol that will only require unvaccinated players and those experiencing possible symptoms of COVID-19 to be tested.

Omicron variant detected in 89 countries; WHO says cases rapidly doubling

WHO said on Saturday that omicron’s “substantial growth advantage” over the delta variant means it's likely to soon overtake delta as the dominant variant.

Court allows Biden's COVID-19 employer vaccine mandate to take effect

A federal appeals court panel has ruled that President Joe Biden’s vaccine mandate for larger private employers can take effect.

Vaccine mandate: OSHA will begin issuing citations after Jan. 10

The announcement came after the U.S. Court of Appeals for the Sixth District in Cincinnati decided that President Biden's vaccine mandate for large employers could go forward.

NY single-day record for COVID cases

21,027 New Yorkers have tested positive for COVID-19 in the past 24 hours, the highest number since January 14.

21 heartwarming, feel-good things that happened in 2021

From small acts of kindness to awe-inspiring events, there were a lot of feel-good moments in 2021.