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  • Content Type: Abstract

    A new TB case can be classified as: 1) a source case for transmission leading to other, secondary active TB cases; 2) a secondary case, resulting from recent transmission; or 3) an isolated case, uninvolved in recent transmission (i.e. neither… read more
    … 3) an isolated case, uninvolved in recent transmission (i.e. neither source nor recipient). Source and secondary cases require more intense intervention due to their involvement in a chain of transmission; thus, … (3) an isolated case, uninvolved in recent transmission (i.e., neither source nor recipient). Source and secondary …
  • Content Type: Abstract

    Tuberculosis (TB) has reemerged as a global health epidemic in recent years. Although several researchers have examined the use of space-time surveillance to detect TB clusters, they have not used genetic information to… read more
    … genetic information to verify that detected clusters are due to person-to-person transmission. Using genetic … we sought to determine whether detected clusters were due to recent transmission.   Objective This paper describes … spacetime surveillance to detect genetic clusters of TB due to person-to-person spread. Document …