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96.4% of Americans had COVID-19 antibodies in their blood by fall 2022
The Conversation via Yahoo News· 1 year agoInfection and vaccination both leave their mark in your blood. Yulia Reznikov/Moment via Getty...
Do COVID tests detect latest virus variant spreading in California? How effective are they?
Sacramento Bee via Yahoo News· 6 months agoAs coronavirus cases rise in California, another COVID-19 variant is making its way across the...
Home tests still work to detect Covid-19, but here’s why your test may not pick up an infection
CNN via Yahoo News· 9 months agoSome people are speculating that rapid tests have lost their ability to detect some of the newer...
What's the difference between a PCR and antigen COVID-19 test? A molecular biologist explains
The Conversation via Yahoo News· 2 years agoAll COVID-19 tests start with a sample, but the scientific process goes very differently after that....
This Tiny Device Tests for Current and Past COVID Infections
The Daily Beast via Yahoo News· 2 years agoMR.Cole_Photographer via GettyA group of Boston researchers have designed a postcard-sized test that...
What happens to COVID vaccines and drugs authorized for emergency use when health emergency ends?
LA Times via Yahoo News· 1 year agoThe anti-viral drug Paxlovid. (Stephanie Nano / Associated Press) On May 11, the central pillar of...
China reports 2 new Covid deaths as some restrictions eased
Politico via Yahoo News· 2 years agoHONG KONG — China on Sunday reported two additional deaths from Covid-19 as some cities move...
What Really Causes a False Positive COVID-19 Test? Experts Explain
Prevention via Yahoo News· 9 months agoFalse positive COVID-19 tests occur when you don’t have the novel coronavirus, but the test is...
How Common Is a False-Positive COVID Test?
Verywell Health via Yahoo News· 4 months agoA new report showed that persistent false-positive rapid antigen test results might be more common in women and people with autoimmune disorders. But...