A Red Cross worker in Springfield , Illinois , was infected with an infection . The employee last worked on May 16 . Stores may have received tainted beef . Shot that offers protection only effective if taken within two weeks of infection . People who dined before May 8 may have been infected but it 's too late for them to get a shot .
A Red Cross worker in Springfield , Illinois , was infected with an infection . The employee last worked on May 16 . Shot that offers protection only effective if taken within two weeks of infection . People who dined before May 8 may have been infected but it 's too late for them to get a shot .