Yellow fever presents as a serious and potentially fatal infectious illness. Spread primarily through the bite of infected mosquitoes, this condition affects individuals globally, particularly across the tropics and subtropical areas. Symptoms can range from mild to severe, including fever, headache, muscle aches, nausea, vomiting, and jaundice. In

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.