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Study suggests home antigen tests for Covid should be repeated after first negative result

Study suggests repeat home antigen testing for Covid after first negative result

STAT:

Home antigen tests for Covid-19 win for convenience but may not measure up to the accuracy of PCR testing. A new study published in JAMA Internal Medicine explores a different question: how well antigen testing performs over the course of illness.

Researchers followed 225 people who had Covid infections confirmed by PCR testing, as well as their household members. After daily testing for 15 days, home antigen test sensitivity peaked three days after illness onset, at 80% for symptomatic cases and 50% for asymptomatic cases.

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California coronavirus cases rising, concern about a new wave

Here we go again: California coronavirus cases rising. Is a new wave coming?

Los Angeles Times:

After months of declining numbers, California has recorded a nearly 30% increase in coronavirus cases over the last week along with smaller rises in hospitalizations, causing some health officials to suspect that the state is headed into a new pandemic wave.

The increase coincides with a loosening of COVID-19 restrictions such as mask mandates and vaccine verification rules as well as the rise of new subvariants of the highly transmissible Omicron strain. The question now is how much higher cases will go and whether new government intervention will be needed.

“We’re expecting a small surge that may mirror something that we saw in Delta last summer, in early July, but it’s happening now, in May,” Dr. Curtis Chan, deputy health officer for San Mateo County, said in an interview. ...

 

 

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Fauci: COVID-19 Is Here to Stay, but We Can Control It, perhaps with longer lasting vaccines

Alhough it would be next to impossible to eradicate SARS-CoV-2, it is fully feasible to control it, said Anthony Fauci, MD, director of the National Institute of Allergy and Infectious Diseases (NIAID), during a virtual event held Friday morning by the National Press Club.

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