According to the Center for Disease Control(CDC), up to 80 percent of those who have an acute form of hepatitis C will have no visible symptoms. In some cases, however, people will experience certain symptoms not long after the virus has infected them.
These symptoms, which may be mild but can also be severe for some people, include:
developing a fever
having a poor appetite
Read more here http://www.healthline.com/health/hepatitis-c/symptoms#Overview1