Pneumonia is a widespread respiratory infection that inflames the alveoli. These sacs can fill with fluid or pus, causing a persistent cough, fever, trouble breathing and discomfort in the chest. Pneumonia can vary in severity from mild to life-threatening. It is bacteria, viruses, or fungi attack

Yellow fever is a critical viral infection transmitted through the bite of infected biting flies. Primarily found in tropical and subtropical regions of Africa and South America, this potentially fatal illness can cause debilitating Encuentra más información symptoms such as fever, yellowing of the