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Drug resistance

MDR-TB worse than thought

An international epidemic of multi drug-resistant tuberculosis may be more widespread than previously thought.

Drug-resistant TB

Multi drug-resistant tuberculosis (MDR-TB) is a strain of TB bacteria that has become resistant to TB drugs.

Extent of tough TB unknown

The extent of multi-drug and extreme drug resistant strains of TB in South Africa was not currently known, the World Health Organization (WHO) said on Wednesday.

Fears mount over tough TB

A new, untreatable form of tuberculosis is striking up to 30 000 people a year, says the World Health Organization.

XDR-TB genes decoded

Researchers have decoded the gene map of a strain of extensively drug-resistant tuberculosis and said their work has identified mutations that may help develop better treatments.

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