Mycobacterium-1995-Ike-158Mycobacterium tuberculosis199501991/5 to 1991/7monophasicUSA
Adults
Patients:4(exact)3(exact)2(exact)Personnel:46(exact)0(exact)0(exact)
Patient:Index patient. Prolonged infectiousness of the likely source patient and inadequate environmental controls.
Inhalation:
Setting:Skin-test conversion rates were highest on two units (29% and 20%); HCWs primarily assigned to these units had a higher risk for conversion compared with HCWs tested following previous incidents of exposures to TB (relative risk (RR)= 53.4, 95%CI=6.9 to 411.1; and RR=37.4, 95%CI=5.0 to 277.3, respectively).
Personnel screening/surveillance:Isolation/cohorting:Acid-fast bacillus (AFB) patient isolation protocols closely following the recommended 1990 CDC guidelinesProtective clothing:
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