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在加拿大北部流行地区的炭疽热孢子体检测
AIMS: To determine the level of anthrax spore contamination in endemic
regions of northern Canada between outbreaks. METHODS AND RESULTS:
Bacterial endospores were extracted from specimens via flotation and
cultured on selective PLET medium. Of 588 environmental specimens
collected, 11 (1.9%) contained viable anthrax spores. CONCLUSION:
High environmental concentrations of anthrax spores in northern Canada
appear limited to scavenger faeces and anthrax carcass sites. Burial
and cremation appear equally effective at removing anthrax spores
from the immediate environment, though cremation may be improved by
re-burning cremation sites containing unburned animal hair. SIGNIFICANCE
AND IMPACT OF THE STUDY: This study describes an effective anthrax
spore detection system. It provides the first bacteriological evidence
that mammalian scavengers can disseminate anthrax spores in northern
Canada, and its results may be compared with future environmental
studies of untreated anthrax carcass sites to help improve government
response plans.
【引自J Appl Microbiol 2001 Sep;91(3):435-41】 |
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