Health investigators in Texas’ Brazos County are looking into eight possible infections of E. coli O157:H7 they suspect may be linked to food. The Brazos County Health Department has confirmed five of the illnesses, and investigators believe another three patients are infected with the same strain of bacteria. Two related children under the age of five have been hospitalized at Texas Children’s Hospital in Houston for the past week, The Eagle reports. The other six cases are adults and were not hospitalized. Investigators are still searching for a possible outbreak source, saying that the patients did not eat at the same restaurant.