Medically reviewed by Amelia MacIntyre, DO While the common cold and influenza (the flu) are viral respiratory infections ...

A teenager in Canada, hospitalized with the country's first case of the H5N1 bird flu, is in critical condition. Health ...

But what kind of sickness do your symptoms point to? Here's a breakdown for COVID-19, flu and more — and why testing is so ...

Symptoms of viruses like COVID and flu overlap with each other, but there are ways you can narrow it down to get the ...

A Canadian teenager infected with bird flu — that country’s first case involving a locally acquired infection — is in ...

It can affect adults and children but tends to be more severe in adults. Flu B only affects humans and, more commonly, infects children. While it usually has mild symptoms, it can have more severe ...

The seasonal COVID-19 spike, combined with rising cases of seasonal flu and RSV, brings what has been called a “tripledemic.” ...

Compared to the flu, fever is rare, but low grade fevers can also occur, usually in older children and adults. "The signs and symptoms of a cold usually peak within 2 to 3 days of infection," the ...

Cases in younger children are particularly worrying, health experts said, because walking pneumonia has historically been ...

Flu is a mild illness for some people. But for others, including older adults and those with chronic (long-lasting) health conditions, the flu can be very serious and even life-threatening.