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Drug-Resistant Typhoid Spreads Worldwide

Scientists say a strain of typhoid that is resistant to antibiotics has become the dominant strain of the infection in many parts of Africa and East Asia. The research, published in the journal Nature Genetics, involved sequencing more than 1,800 samples of typhoid bacteria from 63 countries. It said one drug resistant strain of the bacteria, called H58, was found in 47 percent of all the samples that were analyzed. Scientists say the strand emerged in South Asia in the 1970s and...

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