Noumonia appears to be a misspelling or misinterpretation of "pneumonia," which is an infection that inflames the air sacs in one or both lungs, potentially causing them to fill with fluid or pus. Symptoms typically include cough, fever, chills, and difficulty breathing. Pneumonia can be caused by various pathogens, including bacteria, viruses, and fungi, and it can range from mild to life-threatening, particularly in vulnerable populations. If you meant something else by "noumonia," please provide more context!