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The possible exposure could have taken place on Aug. 25, 26, 27 or 30, between the hours of 10 a.m. and 11 p.m., according to the HHSA.

The agency said shoppers who did not eat at the McDonald's were not exposed to the disease, which in severe cases can make people sick for as long as seven weeks.

The HHSA said those who ate at the restaurant and are not immunized against Hepatitis A should consult with their doctor.

"The risk to the public is low, but anyone who ate at the restaurant on those dates and times should be aware of the signs and symptoms of Hepatitis A," said Dr. Wilma Wooten, the county's public health officer. "Anyone who has been immunized with the Hepatitis A vaccine or previously had the disease is considered protected from the virus."

Early signs and symptoms of Hepatitis A appear two to seven weeks after exposure and commonly include mild fever, loss of appetite, nausea, vomiting, diarrhea, dark urine, light color stools, pain in the upper right abdomen and yellowness to the eyes or skin known as jaundice, according to the HHSA.

Some victims, especially children, may not display any symptoms, but even those with mild cases are considered highly contagious.

The state Department of Health does not recommend that someone get a vaccination after exposure at a restaurant, since the risk of developing the illness is low, but someone who decides to get one should do so within two weeks, according to the HHSA.