The common cold is probably the most universal illness. It is a viral infection of the upper respiratory tract, which includes the nose and throat area.
A respiratory infection that mainly affects children and causes a barking cough, hoarseness, and breathing difficulties.
Coronavirus is a term describes a family of viruses, common in both animals and humans.
The flu is a common contagious viral infection that attacks the respiratory system. Learn about symptoms and treatment.
Long COVID refers to new or recurring symptoms that occur four or more weeks after an infection with SARS-CoV-2, the virus that causes COVID-19.
COVID-19 is the disease caused by the SARS-CoV-2, the 2019 novel coronavirus.
Allergies occur when the body's immune system overreacts to outdoor stimulants such as mold spores and pollen. Learn about symptoms and treatment.
A highly contagious virus that causes respiratory tract inflammation with cold-like symptoms
Measles is a contagious virus commonly seen in children that causes fever, cough, runny nose, and pneumonia. Learn about symptoms and treatment.
Bronchitis is a condition in which the airways in the lower respiratory system become inflamed. Symptoms include coughing, mucus production, chest pain, fatigue, a low fever, and shortness of breath.