Started as a headache and built up to heavy headache with high body temperature on the 4th day. Didn't have food that day, just drunk a lot of water, and cleared my stomach in the morning. No other symptoms.
Probably got sick because of exteremely hot weather outside and colder air inside my workplace. And all the drinks they serve with ice!
Used Vitamin C (2g twice a day), Oscillococcinum, Airborne. Added Tylenol Cold 2-3 times a day. Relieve came only after the pick of the sickness, which happened on the 4th day.