Being aware of the early signs is one way ... infectious disease doctor at Washington University in St Louis, says flu symptoms can hit on the same day a person is infected.

Any sign of severe illness warrants medical attention, which is critical given how severe the flu can be. Certain signs and symptoms in adults warrant emergency help, such as: The flu is a viral ...

A doctor can usually tell if you have the flu based on your symptoms, especially if it’s during peak season. Bird flu, or avian influenza, is a viral infection spread from bird to bird.

Additionally, the dry, dusty environment frequently irritates the airways, increasing vulnerability to viral infections like the flu ... recognise these symptoms early, some children still ...

The federal agency updated its recommendations for wider testing after a new study revealed more farmworkers had signs ... bird flu—but only half said they recalled experiencing symptoms.

Influenza (flu), respiratory syncytial virus (RSV), and covid-19 share similar symptoms. These can include ... on the NHS every year in autumn or early winter to help protect people at risk ...