A study has noted that incidents of antimicrobial-resistant typhoid fever have been associated with visits to the Indian subcontinent, which could lead to new travel health advice being issued.
Led by Dr Michael Lynch from the Centers for Disease Control and Prevention, a United States government health advice site, the study showed that new strains of the disease seem to be linked to trips to India, Bangladesh and Pakistan.
In the report, the authors pointed out that the incidents of multidrug-resistant S Typhi (MDRST) and nalidixic acid-resistant S Typhi (NARST) were of particular interest, as common treatments were not effective against them.
The article read: "85 per cent of patients infected with MDRST and 94 percent with NARST traveled to the Indian subcontinent, while 44 per cent of those with susceptible infections did."
According to the study, in 79 per cent of cases of typhoid fever foreign travel had been reported within 30 days of the disease, and only five per cent had received a vaccine against the illness.
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