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 Is your baby dehydrated? How to tell. Taking charge of your health Man, take care of your health!