CHICAGO (CBS) -- With COVID-19 outbreaks continuing to pop up, we are revisiting a question we first dug into last year – is your negative COVID-19 test really negative? Last year, the CBS 2 ...

Two teams of US scientists have completed lab experiments testing the antibodies from vaccinated and infected Americans to see how well they might be able to fend off currently circulating variants of ...

NEW YORK, Aug. 12 (UPI) --Blood and urine tests are ineffective for diagnosing long COVID -- a constellation of long-term symptoms such as chronic pain, brain fog, shortness of breath and intense ...

Each week, the University and its testing partners process over 10,000 samples, most of which are collected on campus, then shipped beyond the state to laboratories in Massachusetts. Despite the ...

A Glendale laboratory owner acknowledged in federal court that she fraudulently billed hundreds of million of dollars in COVID-19 testing during a nearly two-year run. Lourdes Navarro, 64, could ...

Add Yahoo as a preferred source to see more of our stories on Google. The White House completely repurposed the federal covid.gov site that originally provided information about the pandemic and how ...