The Rock Island County Health Department will host an additional walk-in flu shot clinic from 8 a.m. to 5 p.m. today, Dec. 10, at the health department office, 2112 25th Ave., Rock Island.

The vaccine is available to everyone from 6 months through adults. Flu activity most commonly peaks in January or February and can continue through May.

Illinois Medicaid and most Medicare Part B plans are accepted for payment, as well as Blue Cross/Blue Shield insurance. For information on other methods of payment, call the health department at 309-794-7080.