Pneumonia is a widespread respiratory infection that inflames the air sacs. These pockets can accumulate fluid or pus, leading to a persistent cough, fever, trouble breathing and discomfort in the chest. Pneumonia can range from mild to life-threatening. This infection happens when bacteria, Página de inicio viruses, or fungi invade the alveoli i

Yellow fever is a critical viral disease 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 intense symptoms such as heat, skin discoloration, muscle aches, and nausea. There is no cure for yellow fever, but a vaccine offers effe