Over half of people infected with the omicron variant didn't know it, a study finds
These undiagnosed infections could be a major factor in the rapid transmission of the omicron variant, the researchers said.
omicron variant
Pfizer-BioNTech will seek authorization for second COVID booster for older adults
Pfizer and BioNTech are planning to ask the Food and Drug Administration to authorize a second COVID-19 booster shot for people age 65 and older.
A surge in COVID-19 spurs new lockdowns in China's cities
In the latest wave, the highly transmissible omicron variant has moved more quickly than contact tracing allows.
New Zealand will not impose lockdown when omicron hits
"This stage of the pandemic is different to what we have dealt with before. Omicron is more transmissible," Prime Minister Jacinda Ardern said.
Employers added only 199,000 jobs in December even before omicron started to surge
U.S. employers added 199,000 jobs in December as the unemployment rate fell to 3.9%, marking a second consecutive month of disappointing numbers.
What we know about the symptoms — and the severity — of the omicron variant
Researchers are looking at data from U.S. cases to determine if the variant causes milder disease. Even if the answer is yes, they say, rates of hospitalization could be high during the surge.
Israel sets COVID-19 record as rule changes create whiplash
The omicron variant is outpacing the government's ability to make and execute clear pandemic public policy.
With COVID outbreaks, Broadway's understudies take center stage
Breakthrough infections from the omicron variant have been spreading like wildfire among casts and crews, so understudies and swing performers have been helping keep shows afloat.
Some colleges go back to virtual classes after surge in virus cases
A surge in coronavirus cases has some colleges rethinking in-person classes as students prepare to come back to campus.
Omicron is spreading at lightning speed. Scientists are trying to figure out why
The burning questions: What makes this newly identified variant so transmissible?. And what does it mean for preventing spread?