Fact checked by James Lacy Key Takeaways Costco is selling at-home saliva tests for COVID-19. Currently, the kits are only ...

but there is still something to be said for choosing a test that’s easiest to use, with clear instructions that also provide accurate and speedy results. To help you find the optimal at-home ...

Since the emergence of COVID-19 in late 2019, the gold standard in testing for the disease has been a nuclear-derived technique: real-time reverse transcription–polymerase chain reaction, or real-time ...

For people with multiple sclerosis (MS), having a COVID-19 infection is not associated with worsening MS symptoms or ...