Investigating an Outbreak

Overcrowded living conditions may have contributed to a spike in TB cases in the Inuit village of Nunavick, Quebec, a new study has found.
 
The outbreak, which occurred between November 2011 and November 2012, puzzled researchers. In a series of studies, they examined lifestyle factors as possible causes. After finding that poor diet likely contributed to patients acquiring TB, the researchers focused on living spaces, studying 200 people in 79 homes. Overcrowding correlated with higher odds of both contracting TB infection and developing the disease, provided residents lived with someone already infected.
CMAJ Open

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