Yellow fever is a a serious and potentially fatal transmissible illness. Spread primarily through the bite of infected mosquitoes, this disease affects human beings globally, particularly across the tropics and subtropical areas. Symptoms differ greatly from mild to severe, encompassing fever, headache, muscle aches, nausea, vomiting, and jaundice.

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