It certainly feels like something has suddenly and intensely triggered my immune system, but I have no idea what. The Mexican flu is still not come here, and the ordinary flu is usually not spreading in summer. I suppose it could be a bacterial infection.
To see doctor or not to see doctor, that's the question. It seems to me that invariable seeing a doctor just causes them to decide that I am healthier than normal healthy people. I guess I shall wait to see how my temperature goes. It is still in the normal range right now, a bit high for me for this time of the day (37.6 C, about one degree above normal morning temperature for me, but perfectly normal for many people).