IS6110 restriction fragment length polymorphism of Mycobacterium tuberculosis isolates from an area of Casablanca, Morocco.

Using IS6110 RFLP, 61 isolates recovered from new cases of pulmonary tuberculosis (TB) were compared from September to December 1999 in Casablanca, Morocco, a city with a high incidence of TB. The majority of the isolates (92%) harboured 6-14 copies of IS6110. The minimal fraction of patients in groups of recently acquired infection is 13.

Chronic cases of tuberculosis in Casablanca, Morocco.

Objective: To evaluate the prevalence and patterns of drug resistance of Mycobacterium tuberculosis isolates collected from patients with chronic tuberculosis in Casablanca, Morocco.

Methods: Between February 1996 and September 2001, 122 isolates were recovered from 112 different patients. The male to female ratio was 2.