Pneumonia is an frequent respiratory infection that inflames the air sacs. These sacs can accumulate fluid or pus, causing symptoms of cough, fever, shortness of breath and chest pain. Pneumonia can vary in severity from mild to severe. This infection happens when bacteria, viruses, or fungi attack the air sacs in your lungs. There are several typ

Yellow fever is a serious viral infection transmitted through the bite of infected insects. Primarily found in tropical and subtropical regions of Africa and South America, this potentially fatal illness can cause intense symptoms such as high temperature, skin discoloration, muscle aches, and vomiting. There is no cure for yellow fever, but a vac