Pneumonia is an frequent respiratory infection that inflames the lungs. These sacs can accumulate fluid or pus, resulting in a persistent cough, fever, trouble breathing and chest pain. Pneumonia can differ in intensity from mild to life-threatening. This infection happens when bacteria, viruses, or fungi attack the air sacs in your body. There ar

Yellow fever is a serious viral illness transmitted through the bite of infected mosquitoes. Primarily found in tropical and subtropical regions of Africa and South America, this life-threatening illness can cause intense symptoms such as heat, skin discoloration, muscle aches, and throwing up. There is no cure for yellow fever, but a vaccine offe