Compared to those who get the flu, people infected with COVID-19 may take longer to show symptoms and may be contagious for ...

Yet another new Covid variant is spreading around the world and may reach Australia before Christmas, with Aussies, ...

Researchers discovered previously unrecognized oscillatory trends in COVID-19 cases across the U.S., particularly a ...

A new study identifies raccoon dogs and civet cats as likely carriers of SARS-CoV-2 at the Huanan market, supporting the ...

A cheap new test using origami paper sensors can detect infectious diseases like COVID-19, much more quickly than current PCR ...

The sensors could help in the early detection of infectious diseases in new, simple, low-cost tests.

COVID symptoms can be mild, severe, or nonexistent, according to the CDC—and can appear as late as two weeks after you’ve ...

Samples taken in the pandemic's early weeks reinforce hypothesis that coronavirus emerged from live animal market, not a ...

The spread of SARS-CoV-2 highlighted the importance of global collaboration, she says. It also renewed interest in virology ...

XEC is also an offshoot of omicron, the widely spread variant that formed in 2021. According to experts, it has some of ...

Mark Gurarie is a freelance writer covering health topics, technology, music, books, and culture. He also teaches health ...

After COVID infection, prevalent metformin use is associated with a slightly lower incidence of death or postacute sequalae of SARS-CoV-2.