A higher proportion of adolescents who tested positive for COVID-19 reported ongoing symptoms compared with those who tested negative or never tested.

TORONTO -- Canadian health authorities are investigating whether a medical resident who worked in a Toronto hospital maternity ward has SARS, an official said Friday in a setback to the city's efforts ...

WASHINGTON -- Thousands of customs and immigrations inspectors and other federal homeland security workers are being trained to spot symptoms of SARS, and they have orders to detain people with ...

Brigham researchers found people with wide-ranging long COVID symptoms were twice as likely to have SARS-CoV-2 proteins in their blood, compared to those without long COVID symptoms. A persistent ...

CoV-2, the virus behind Covid-19 disease, doubled the risk of developing long Covid among children, according to a study ...

Vaccination against Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) improves symptoms more effectively than natural resolution over time in individuals with ongoing symptomatic COVID-19 ...