article_snippet.sent: The Centers for Disease Control and Prevention released the report Thursday.
article_snippet.sent: The superbug sickened at least 243 people, in 32 states and Puerto Rico.
article_snippet.sent: We’re moving quickly to implement a national strategy to curb antibiotic resistance because We can’t take for granted that We’ll always have the drugs We need to fight common infections.
article_snippet.sent: Scientists  unlocked the genetic code of bacteria grown from a soldier who died of dysentery in World War I. Scientists   findings revealed a superbug already resistant to penicillin and other antibiotics decades before Scientists   were in common use.
article_snippet.sent: Kate Baker of Britain's Wellcome Trust Sanger Institute said last November that analysis of genetic differences between this 1915 sample of Shigella flexneri and three others isolated in 1954, 1984 and 2002 showed that while the bacterium has changed relatively little, the mutations the bacterium has acquired have made the bacterium more dangerous and persistent.
article_snippet.sent: the bacterium also went though what is known as a 'serotype conversion', Kate Baker of Britain's Wellcome Trust Sanger Institute said, which made the bacterium able to re-infect and cause illness in people who had already been infected before and would previously have been immune to further attacks.
highlights_snippet.sent: However strain has become increasingly resistant to drugs .