"She had been working where MDR is common, " he said, using shorthand for multidrug-resistant TB.
The researchers believe about 1% of new cases of TB are caused by multidrug-resistant strains.
BBC: Patients must complete a full course of drugs to cure TB
They find one or two cases of multidrug-resistant TB a year, the official said.
From their analysis, the WHO team estimated there were 424, 000 cases of multidrug-resistant TB world-wide in 2004.
BBC: Patients must complete a full course of drugs to cure TB
Similar devices could be implanted near a tumor to administer a multidrug cancer treatment, custom-tailored for the patient's particular disease.
But Dr Scheper and his colleagues found a new protein that becomes much more common in tumour cells when multidrug resistance appears.
About 1.2% of cases in the US are "multidrug-resistant", and can withstand antibiotics commonly used to treat the illness, according to CDC statistics.
The European Centre for Disease Prevention and Control estimated, in 2009, that each year 25, 000 Europeans die as a direct consequence of a multidrug-resistant infection.
Nepal reported more than 35, 000 TB cases in 2011, and 2.9% of new and 12% of previously-treated TB cases are multidrug-resistant, according to WHO data.
One thing that gets a bit lost in the noise is multidrug-resistant tuberculosis, which remains a huge threat worldwide, especially in an age of globalization.
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The researchers associated increases in multidrug-resistant MRSA in the hospital with excessive use of two specific classes of antibiotics often prescribed to treat pneumonia (fluoroquinolones) and offered as a substitute for patients allergic to penicillin (macrolides).
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It's no surprise that you would find salmonella and Campylobacter and E. coli, but if you look at the numbers, these are low levels and in the case of salmonella, for instance, we are seeing a decrease in multidrug-resistant strains in humans.
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