Asthma Asthma is a chronic disease that affects your airways. The airways are the tubes that carry air in and out of your lungs. If you have asthma, the inside walls of your airways are inflamed (swollen).
Common Cold Sneezing, scratchy throat, runny nose—everyone knows the first signs of a cold, probably the most common illness known. The common cold is usually mild, with symptoms lasting 1 to 2 weeks.
Dengue Fever Dengue fever is an infectious disease carried by mosquitoes and caused by any of four related dengue viruses. This disease used to be called "break-bone" fever because it sometimes causes severe joint and muscle pain that feels like bones are breaking.
Pneumococcal Pneumonia Pneumococcal pneumonia mainly causes illness in children younger than 2 years old and adults 65 years of age or older. The elderly are especially at risk of getting seriously ill and dying from this disease.