Pneumonia is a widespread respiratory infection that inflames the air sacs. These pockets can be laden with fluid or pus, resulting in a persistent cough, fever, shortness of breath and aches in the chest. Pneumonia can range from mild to serious. This infection happens when bacteria, viruses, or fungi attack the alveoli in your chest. There are v

Yellow fever is a serious viral infection transmitted through the bite of infected biting flies. Primarily found in tropical and subtropical regions of Africa and South America, this deadly illness can cause severe symptoms such as heat, jaundice, muscle aches, and vomiting. There is no cure for yellow fever, but a vaccine offers effective protect