Yellow fever is a a serious and potentially fatal viral illness. Spread primarily through the bite of infected mosquitoes, this ailment affects individuals globally, particularly in tropical and subtropical areas. Manifestations can range from mild to severe, including fever, headache, muscle aches, nausea, vomiting, and jaundice. In serious cases,

Pneumonia is a/happens to be/presents as an infection that inflames the air sacs in one or both lungs. These air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, chills, breathing problems, and aches in your chest. Pneumonia can be caused by a variety of organisms, including bacteria, viruses, and fungi.