If you were around someone who just tested positive for the flu, doctors say symptoms don’t appear right away. But when they ...

This winter, flu is rapidly affecting children in the UK, with a sudden loss of appetite as an early symptom, says the NHS.

Fever, cough and body aches can point to flu, viral fever or Covid. With symptoms overlapping and risks varying, doctors say knowing how to differentiate early can prevent complications and stop ...

With flu cases surging in Illinois, mitigating spread is increasingly important. But how long are you actually contagious ...

The rise in cases and first pediatric death of the season led some Chicago suburbs to put out warnings as the flu continues ...

The virus is particularly serious for children, with one doctor warning parents too look out for three key symptoms ...

The flu is early this year, with cases reported throughout the U.S. and around the Western Hemisphere A new subvariant, H3N2, ...

Flu cases are rising rapidly across the US due to a new strain called subclade K, a mutated form of the H3N2 influenza A ...

A 2022 study estimates that at-home flu tests have a sensitivity of about 63% if the test is performed within 72 hours of ...

Boston reported two children have died related to the flu this season Tuesday, the first pediatric flu-associated deaths in the city since 2013, bringing total related deaths Massachusetts children up ...