Long COVID, also called post-acute COVID syndrome, affects 5–50% of people after SARS-CoV-2 infection and can involve ...

Banning children from riding in cars is ridiculous, but there's more data to support it than there is for not vaccinating ...

Hidden infections and reactivated viruses may play a role in long Covid, a new scientific review suggests, pointing to ...

COVID-19 vaccination before or during pregnancy was linked to lower risk for severe maternal disease in the delta or omicron variant periods, ...

As COVID completes its sixth year, official statistics obscure the scale of harm, while Long COVID and excess deaths reveal ...

Long COVID—defined as symptoms persisting ≥ 2 months beyond acute SARS-CoV-2 infection without alternative explanation—now ...

New genetic evidence suggests that people with an inherited tendency towards blood clots may be at higher risk of developing ...

According to a large Canadian study of nearly 20,000 pregnant women with COVID-19, vaccination significantly reduced severe ...

Infections accelerate aging by damaging cells and organs. Preventing them with vaccines, hand hygiene, masks, and clean air ...

WHO has prequalified two rapid COVID-19 antigen tests, confirming their safety and quality and expanding access to fast, ...

Medscape News Canada leverages the most-read Canadian stories in 2025 and makes a list of the five that generate the most interest and, in some cases, controversy.

Flu, viral fever, and COVID-19 all cause fever and respiratory symptoms, but key differences in onset, symptom patterns, ...