MDR-TB strain in circulation for 40 years

A new study, published in Nature Communications, has charted the rise of drug-resistant TB from the early days of antibiotic treatment to today’s looming public health emergency.

The study reconstructs the timeline of antimicrobial resistance acquisition during an outbreak of multi drug-resistant TB in Argentina. The strain that was responsible was found to have developed resistance to isoniazid, streptomycin and rifampicin by around 1973. This indicates that this strain has been in circulation for four decades.

Read the article in Nature Communications

Find out more about drug-resistant TB

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