A new study adds to evidence that common rapid tests may fail to detect some Omicron cases in the first days of infection.
Tag: Tests (Medical)
Making Sense of Covid Changes
What experts say about new C.D.C. rules and rising case numbers.
Testing Site in Connecticut Is Forced to Close After Gun Threat
Another location nearby also shut down after the crowd grew agitated.
Spurred by Omicron, Europe Sets Covid Infection Records Every Day
The surge of cases is causing chaos as people scramble to obtain tests, businesses grapple with staff shortages and New Year’s festivities are thrown into question.
Spurred by Omicron, Europe Is Setting Coronavirus Infection Records Every Day
The surge of cases is causing chaos as people scramble to obtain tests, businesses grapple with staff shortages and New Year’s festivities are thrown into question.
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.
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.
What Happens If You Test Positive for Covid While Traveling?
In the midst of the holiday season, the Omicron variant has many considering the prospects of getting stuck while traveling. Here’s what you need to know.
Omicron Is a Dress Rehearsal for the Next Pandemic
America’s response to the variant highlights both how much progress we have made over the past two years — and how much work remains.