opportunistic infection - any infection caused by a microorganism that does not normally cause disease in humans; occurs in persons with abnormally functioning immune systems (as AIDS patients or transplant patients receiving immunosuppressive drugs)
Why your 'flushing' could be a red alert to see your doctor. It is a normal body response that may occur when we are embarrassed, angry, excited, or experiencing other strong emotions. But 'flushing' - when the face, ears, neck and, occasionally, upper chest, take on a red colour, accompanied by a hot feeling - can also be a sign of a more serious underlying condition.
When somebody blushes so hard that their face turns a deep red. Based off a girl who has a medical condition that whenever somebody gets romanticly involved with her. Her face turns so red it looks like she's going to have a stroke. She blushed so hard it was basicly a Kiku.