Air pollution is often viewed as a short-term respiratory problem — triggering cough, watery eyes, and breathlessness — but ...

Delhi’s air quality has plunged into the very poor category again, shrouding the city in thick smog and haze. Residents are ...

Influenza, commonly known as the flu, is a highly contagious respiratory illness caused by influenza viruses. For most ...

At 12 months, risk factors for persistence of long COVID symptoms included male sex, fever, and taste disorder.