Yellow fever is a a serious and potentially fatal infectious illness. Transmitted mostly through the bite of infected mosquitoes, this ailment affects people globally, particularly in tropical and subtropical areas. Manifestations differ greatly from mild to severe, such as fever, headache, muscle aches, nausea, vomiting, and jaundice. In serious c

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, shortness of breath, and chest pain. Pneumonia can be caused by a variety of organisms, including bacteria, viruses, and fungi. In mos