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Resistant Tuberculosis Carries Global Threat: WHO
"The danger is real," Mario Raviglione, director of the World Health Organisation's Stop tuberculosis (TB) department, told AFP on the sidelines of the gathering of some 3,000 health experts from 100 countries in Cape Town.
"Scenarios of an apocalyptic nature are not likely ... but not impossible." Raviglione said two or three cases were recently reported in Italy of TB resistant to all available drugs. All were fatal.
"There are situations that push us back to the pre-antibiotic era of 1943 ... when there was nothing against tuberculosis except bed rest, and in Europe and North America sanatoria and good nutrition and things like that."
Some two billion people worldwide are infected with TB, about 450,000 of them with a drug resistant strain. About 1.6 million die each year, one every twenty seconds.
A total of 41 countries have reported at least one case of extreme-drug resistant (XDR) TB. This figure may be higher, as many African countries lack laboratories capable of detecting this hard-to-treat strain, said Raviglione.
TB drug resistance develops when patients fail to complete their treatment, and can also be directly transmitted from person to person.
Patients with (multi-drug resistant) MDR TB fail to react to the two most powerful and commonly used drugs, while those with XDR TB also showed resistance to at least one of three injectable higher level drugs.
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