When Prelude Health co-founder Mayra Hurtado experienced symptoms she couldn’t explain, she spent a lot of money on laboratory tests, to be told it was perimenopause. Now, her company’s saliva test, ...

COVID-19 is alive in new forms and still making people sick. While the pandemic is behind us and infections don’t cause the ...

The following is a summary of “Clinical and ultrasound characteristics in patients with sars-cov-2 pneumonia, associated with ...

Surviving a severe case of COVID-19 may be just as dangerous for your heart as having cardiovascular disease - even if you were perfectly healthy before infection.

Challenge trials help researchers study immune responses. Skeptics still doubt the approach is worth the risks ...

When the Covid-19 pandemic first struck, Christopher Chiu and other researchers wondered: Should they inject healthy people ...