Pneumonia is a common respiratory infection that inflames the lungs. These sacs can be laden with fluid or pus, causing symptoms of cough, fever, difficulty breathing and discomfort in the chest. Pneumonia can range from mild to serious. This infection happens when bacteria, viruses, or fungi infec

Yellow fever is a serious viral infection transmitted through the bite of infected mosquitoes. Primarily found in tropical and subtropical regions of Africa and South Más ayuda America, this life-threatening illness can cause severe symptoms such as high temperature, yellowing of the skin, muscle ac