Pneumonia is a common respiratory infection that inflames the air sacs. These sacs can be laden with fluid or pus, leading to coughing, fever, difficulty breathing and discomfort in the chest. Pneumonia can vary in severity from mild to life-threatening. This infection happens when bacteria, viruses, or fungi attack the alveoli in your lungs. Ther

Yellow fever is a critical viral infection transmitted through the bite of infected mosquitoes. Primarily found in tropical and subtropical regions of Africa and South America, this life-threatening illness can cause intense symptoms such as fever, skin discoloration, muscle aches, and nausea. There is no cure for yellow fever, but a vaccine offer