Pneumonia is a widespread respiratory infection that inflames the alveoli. These compartments can accumulate fluid or pus, causing coughing, fever, difficulty breathing and discomfort in the chest. Pneumonia can differ in intensity from mild to serious. Pneumonia occurs when bacteria, viruses, or fungi invade the alveoli in your lungs. There are v

Yellow fever is a dangerous 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 fever, yellowing of the skin, muscle aches, and nausea. There is no cure for yellow fever, but a vaccine offer