Pneumonia is an frequent respiratory infection that inflames the air sacs. These pockets can fill with fluid or pus, causing symptoms of cough, fever, trouble breathing and chest pain. Pneumonia can vary in severity from mild to life-threatening. Pneumonia occurs when bacteria, viruses, or fungi infect the lungs in your lungs. There are various ty

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 life-threatening illness can cause severe symptoms such as heat, skin discoloration, muscle aches, and nausea. There is no cure for yellow fever, but a vaccine offers robu