Pneumonia is a widespread respiratory infection that inflames the air sacs. These sacs can be laden with fluid or pus, causing a persistent cough, fever, trouble breathing and discomfort in the chest. Pneumonia can differ in intensity from mild to life-threatening. This infection happens when bacteria, viruses, or fungi invade the lungs in your ch

Yellow fever is a critical viral illness transmitted through the bite of infected insects. Primarily found in tropical and subtropical regions of Africa and South America, this deadly illness can cause intense symptoms such as fever, skin discoloration, muscle aches, and throwing up. There is no cure for yellow fever, but a vaccine offers effectiv