Yellow fever is a a serious and potentially fatal infectious illness. Transmitted mostly through the bite of infected mosquitoes, this condition affects human beings globally, particularly across the tropics and subtropical areas. Manifestations can range from mild to severe, encompassing fever, headache, muscle aches, nausea, vomiting, and jaundic

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.