Home > Medical > Tuberculosis > Drug resistance Drug resistance All sections in Tuberculosis » About Tuberculosis » Different political stances » Drug Resistance » FAQs » Health Tips » HIV/Aids and TB » Living with TB » New Developments » TB News » Quarantine » Real-life Story » Symptoms » TB and other organs » TB in South Africa » Testing » Transmission » Treatment » Who is at risk? 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. Assess Your risk for COPD » Join HIV Talk » Ask CyberDoc » Assess Do you have asthma? » African health in focus World's Most Famous TB Patients 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. load more articles advertisement From our sponsors A number of good reasons why saving the tooth is a better option Breakfast like a King Alzheimer’s disease – incurable but preventable Cancer is a word that strikes fear into the hearts of many.