Pneumonia is a common respiratory infection that inflames the air sacs. These compartments can accumulate fluid or pus, resulting in a persistent cough, fever, difficulty breathing and aches in the chest. Pneumonia can vary in severity from mild to serious. Pneumonia occurs when bacteria, viruses, or fungi invade the lungs in your body. There are

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