Antibiotic resistance is increasing by 30 percent each year in Karachi, according to the W.H.O.; at that rate, all typhoid cases in the city will be resistant to multiple drugs by 2020.

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Antibiotic resistance is increasing by 30 percent each year in Karachi, according to the W.H.O.; at that rate, all typhoid cases in the city will be resistant to multiple drugs by 2020.