I did the lamp thing once. The temp went up to 42 Celsius, and my mom thought I was dying. She wanted to call the ambulance, and I had to come clean. Fun times.
Even fully vaccinated people are at risk. A vaccinated man in Colorado was just diagnosed with measles. Of course, the severity of his illness will be greatly diminished by being vaccinated, but still.
“And where do you feel that in your body?”