表达身体不适I have a... — 英语阅读题

Read the short story and answer the question. Yesterday morning, Peter didn't want to eat his breakfast. At school, he felt very cold, and his face looked red. After class, he went to see Doctor Wang. Peter said, "Doctor, I don't feel well. I have a headache, and my body is very hot." Doctor Wang looked at Peter and said, "You have a fever. Take this medicine twice a day, drink more warm water, and stay in bed for two days." Peter thanked the doctor and went home to rest. Question: What's wrong with Peter? (You may answer in short English or Chinese.)