A lab at the University of Nebraska has developed a test that can detect the virus before symptoms become severe. Now, it's ready to start testing cruise ship passengers returning to the US. As ...
You may get a PCR test, which can show a positive result for up to three months after recovery. If you take a rapid antigen test, it may not detect COVID after nine days, but it is more accurate for ...
The ongoing hantavirus outbreak carries disturbing echoes of the early days of COVID: people falling ill on a cruise ship from a relatively unknown pathogen, with no validated test available to ...
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