Volume 3, Number 2—June 1997
Dispatch
Invasive Haemophilus influenzae Type B Disease in Elderly Nursing Home Residents: Two Related Cases
Figure

Figure. Pulsed field gel electrophoresis of Haemophilus influenzae type b (Hib) isolates from blood culture of two elderly nursing home residents (lanes 1 and 2) compared with epidemiologically unrelated H. influenzae isolates sent to our laboratory for typing: lane 3, laboratory Hib strain; lane 4, non-H. influenzae; lane 5 and 12, invasive nontypeable H. influenzae; lane 6-11, unrelated Hib isolates; lane 13, H. influenzae type a; lane 14, 1 kilobase molecular marker. The enzyme used for DNA digestion was Apal.
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