For most people, having an at-home COVID test or two handy is just a normal part of life these days. But, if you happen to take a test and get a positive you weren’t expecting, it’s more than ...
Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...
Social media users claiming that fruit juices and coffee have tested positive for COVID-19 have misunderstood how lateral flow devices (LFDs) work. Videos allegedly showing a positive test result ...
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