For the first time since the Covid-19 pandemic began, influenza has surpassed Covid as the deadliest respiratory illness in ...

Unvaccinated people have a 90 percent chance of becoming infected, and infected people can spread the disease for up to three weeks.

Dr. Priya Soni shares insights on what to expect this flu season and how to stay healthy amid circulating viruses.

Vatican authorities said Monday that Pope Francis has a complex infection in his respiratory system and will require more targeted drug treatment. Here's what to know.

What are the lasting impacts of RSV, and how can you prevent your infant from getting the infection? Dr. Stephania Cormier is ...

A new University of Calgary study shows that while hospitalizations for respiratory illnesses among Alberta children surged ...

Scientists in Spain detected Enterovirus C105 (EV-C105), a rare virus linked to respiratory and possible neurological illness ...

The pope, 88, was diagnosed with a polymicrobial infection after he was hospitalized in Rome on Friday for bronchitis.

COVID-19, the flu and RSV have many symptoms in common, so it may be challenging to differentiate between them, according to ...

Vaccinations successfully guarded Alaska children from pertussis, a respiratory disease also known as whooping cough, during the state’s recent spike in cases of the disease, a new state report says.

All age groups in the United States are experiencing a "high severity" of influenza cases among all age groups for the first ...