Table. 1—

Prevalence of tuberculosis (TB) among migrants to low-incidence countries

Authors [ref.]YearPopulationPrevalence %
Active TBLatent TB infection
With abnormalities#Without abnormalities#
Blum et al. 341993Amnesty programme adjustments for illegal migrants from Mexico in the USA0.08542
Markey et al. 351986Port of entry screening of all immigrants to the UK0.040.1NA
Pitchenik et al. 361982Haitian refugees in the USA0.65
Nolan et al. 371987Southeast-Asian refugees in the USA0.85.635.7
Dasgupta et al. 292000Permanent-resident applicants in Canada0.152.6NA
  • NA: not available. #: on the chest radiograph.