Yellow fever is a a serious and potentially fatal viral illness. Carried mainly through the bite of infected mosquitoes, this condition affects human beings globally, particularly within regions with a tropical climate and subtropical areas. Signs vary widely from mild to severe, including fever, headache, muscle aches, nausea, vomiting, and jaundi

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, difficulty breathing, and sharp pains in the chest. Pneumonia can be caused by a variety of organisms, including bacteria, viruses, and