No deaths have been reported but 20 people have been hospitalized after they were infected with the strain E. coli O103 since March 1, the CDC said on its website.
The Centers for Disease Control and Prevention (CDC) and several other U.S. agencies are investigating an E.coli outbreak in five states, the CDC said here on Friday.
The multistate outbreak of E. coli infections linked to romaine lettuce from the Central Coastal growing regions in northern and central California appears to be over