As a third year of the pandemic loomed, the seven-day average of U.S. cases topped 267,000 on Tuesday.
Tag: Coronavirus Omicron Variant
Will Shortened Isolation Periods Without Testing Spread the Virus?
Without rapid testing, some experts fear new U.S. guidelines may mean infected people leave isolation while still contagious. The C.D.C. director said masking was a better option.
Omicron Variant Might Help Defend Against Delta, Lab Study Suggests
In the lab, antibodies produced during an Omicron infection protected against Delta. If Omicron dominates in the real world, that could lead to a less dire future.
Omicron Variant May Help Beat Delta, Study Suggests
In the lab, antibodies produced during an Omicron infection protected against Delta. If Omicron dominates in the real world, that could lead to a less dire future.
New Year’s Eve Parties Are Scaled Back Worldwide
New York City, London, Tokyo and New Delhi are among the cities where major gatherings have been curtailed or canceled as Omicron spreads.
C.D.C. Study Suggests Omicron’s Incubation Period Is Just 3 Days
A case study of one infected household observed that it may take as little as three days for people to become contagious, compared with four to six days with earlier versions of the virus.
Fears of Omicron’s Rapid Spread Are Tempered by Signs of Milder Illness
“We can’t stop it,” Israel’s prime minister said of the Omicron variant, but that warning was blunted by early signs of potentially less-severe illness than with earlier coronavirus iterations.
As Omicron Cases Surge, CDC Shortens Isolation Times for Many Americans
Hoping to prevent further disruptions to daily life, the C.D.C. reduced the period that certain infected Americans must sequester.
Australia Covid Lab Mistakenly Tells Hundreds They Tested Negative
Human error was to blame for the mix-up amid a high demand for Covid testing, a clinic in Sydney said.
Australia Covid Lab Mistakenly Tells Hundreds They Tested Negative
Human error is blamed for the mix-up, which so far has affected 400 people at a clinic in Sydney.