Illnesses started on dates ranging from May 31 to Aug. 8.
Health officials are warning of a deadly E. coli outbreak linked to organic carrots infecting 39 people across 18 states.
Scientists who investigated the latest E. coli outbreak and nailed down its cause say the fact that these cases were linked and solved so quickly makes it a noteworthy win.
The number of cases in the E. coli outbreak linked to McDonald's Quarter Pounders has risen to 90, the CDC said in an update on Wednesday.
The teen said she started getting stomach cramps so bad that she says she couldn't get out of bed and was "surviving on popsicles."
McDonald's announced Sunday that Quarter Pounders will again be on its menu at hundreds of its restaurants after an outbreak of E. coli poisoning killed one person and sickened at least 75 others across 13 states.