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Hand wipes. Hand sanitizer. Penicillin and Cipro. The tools the modern world has to fight diseases are many — but as diseases learn to fight back, they’re getting deadlier. And people in the know are scared. “Antibiotic resistance has been called one of the world’s most pressing public health problems,” according to the Centers for Disease Control and Prevention. “Almost every type of bacteria has become stronger and less responsive to antibiotic treatment when it is really needed. … For this reason, antibiotic resistance is among CDC’s top concerns.” (Moyer, 4/20)

The cardiac surgeon had unknowingly spread a staph infection from the rash on his hand to the hearts of at least five patients by the time Los Angeles County health investigators learned of the outbreak. The doctor had operated on more than 60 others in recent months, and county officials feared those patients could be struck with the same dangerous infection. (Petersen, 4/18)