There are greater chances of controlling the spread due to its lower fitness Unlike people with drug-susceptible TB, those with multi drug-resistant TB (MDR-TB) are less likely to transmit disease to others living in the same household (also known as household contacts), a study published on June 23 in the journal PLOS Medicine found. Although it may not be right to extrapolate the findings to the community level, within households, MDR-TB surely has “relatively low fitness [be less capable of spreading] compared with drug-susceptible TB.”

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