Affiliation:
1. Navy Environmental and Preventive Medicine Unit No. 2, Norfolk, Virginia 23511
Abstract
Fifty-seven cultures ofHaemophilus influenzaewere tested for production of beta-lactamase by use of a modified, 1-min test. Only the 24 cultures that were ampicillin resistant, whether type b or not, yielded positive results for the enzyme; all ampicillin-susceptible isolates were uniformly negative. The beta-lactamase procedure is simple to perform and requires only commonly available reagents.
Publisher
American Society for Microbiology
Subject
Infectious Diseases,Pharmacology (medical),Pharmacology
Reference9 articles.
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