Frightening antibiotic-resistant superbug scientists have warned us about has reached the US
Bacteria carbapenem-resistant Enterobacteriaceae, or CRE (CDC)

Pennsylvania health officials are among those on the front lines of a fight against a new threat from antibiotic-resistant bacteria. A 49-year-old Pennsylvania resident was diagnosed with the United States' first human case of a strain of bacteria that is resistant to an antibiotic used as a last-resort drug. Gov. Tom Wolf issued a public-safety statement…