December 21, 2021 2021 in review: Biggest COVID-19 breakthroughs More than 800,000 Americans have died since the beginning of the COVID-19 pandemic.
December 15, 2021 CDC chief says omicron cases expected to grow, White House remains 'confident' schools will stay open Speaking at a White House COVID-19 Task Force Briefing, U.S. Centers for Disease Control and Prevention (CDC) Director Dr. Rochelle Walensky said that she expected reports of omicron cases in the U.S. to increase.
December 15, 2021 COVID-19 pandemic death toll tops 800,000 in U.S. As scientists worked to discover more about the omicron variant and more Americans received booster doses of vaccines, the U.S. death toll from the COVID-19 pandemic surpassed the 800,000 mark on Tuesday.
December 14, 2021 WHO director warns omicron spreading at rate 'not seen with any previous' variant World Health Organization (WHO) Director-General Tedros Adhanom Ghebreyesus said in a briefing Tuesday that the omicron variant of the coronavirus is spreading at a rate not seen with any other variant.
December 10, 2021 COVID-19 pandemic: Scientists focus on virus' animal origins Nearly two years into the COVID-19 pandemic, the origin of the virus tormenting the world remains shrouded in mystery.
December 9, 2021 CDC chief says omicron COVID-19 variant mostly mild so far More than 40 people in the U.S. have been found to be infected with the omicron variant so far, and more than three-quarters of them had been vaccinated, the chief of the CDC said Wednesday. But she said nearly all of them were only mildly ill.
December 8, 2021 Omicron: Pfizer-BioNTech COVID-19 vaccine may only partially protect against new variant, study suggests A new study led by the Africa Health Research Institute reportedly suggests that the omicron COVID-19 variant escapes antibody immunity induced by two doses of the Pfizer-BioNTech vaccine.
December 4, 2021 Omicron in the US: Where is it? Cases of the omicron COVID-19 variant are being confirmed around the country this weekend.
December 3, 2021 Omicron 3 times more likely to cause reinfection than previous COVID variants: researchers South African scientists say the risk of reinfection from the omicron COVID-19 variant is at least three times higher than for previous variants.
December 1, 2021 Travel amidst omicron: WHO says people aged 60 and older should delay travel to certain areas In guidance released on international travel in relation to the COVID-19 omicron variant, the World Health Organization (WHO) wrote Tuesday that people ages 60 and older should delay travel to "areas with community transmission."