Air pollution is a well-known risk factor for respiratory diseases such as asthma and chronic obstructive pulmonary disease (COPD).

Pneumonia is a lung infection caused by bacteria, viruses, fungi, or tuberculosis. Symptoms include fever, cough, chest pain, ...

Learn about respiratory viruses during viral season and how to stay safe. Dr. Matthew Muller discusses COVID-19, RSV, influenza, and more.

Kolkata has experienced a severe outbreak of cough and cold, affecting thousands with sore throats and temporary voice loss.