MENINGOCOCCAL CONTROL IN THE CANADIAN FORCES V. ISOLATION OF AIRBORNE NEISSERIA MENINGITIDIS AT RECRUIT SCHOOLS

Authors
  1. White, L.A.
  2. Holbein, B.E.
  3. Spence, M.R.
  4. Currie, J.F.
Corporate Authors
Defence Research Establishment Suffield, Ralston ALTA (CAN)
Abstract
The presence of Neisseria meningitidis in aerosol and on surfaces at the Canadian Forces recruit schools was established. Airborne concentrations of N. meningitidis, as high as 133 colony forming units per 100 L, were detected by large volume sampling of the air in areas occupied by recruits, who were nasopharyngeal carriers of the organism. N. meningitidis was detected in the air in all the locations sampled. Direct evidence for shedding of the organism to aerosol by carriers was obtained. The results indicated that N. meningitidis persists in aerosol for at least 3 h. Some N. meningitidis isolates were initially sensitive to selective antibiotics in the recovery medium, suggesting that airborne N. meningitidis may be physiologically damaged. The results indicate that aerosols may play a role in the transmission of N. meningitidis.
Report Number
306 —
Date of publication
15 Apr 1981
Number of Pages
14
DSTKIM No
82-01176
CANDIS No
35757
Format(s):
Hardcopy;Originator's fiche received by DSIS

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