[Investigation on outbreak of angiostrongyliasis cantonensis due to consumption of snail food in Dali City].
Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi
; 23(6): 687-90, 2011 Dec.
Article
de Zh
| MEDLINE
| ID: mdl-22379828
ABSTRACT
OBJECTIVE:
To investigate the potential cause of an outbreak of eosinophilic meningitis in Dali City in March, 2011.METHODS:
A retrospective investigation was performed among 18 consumers who had meal together. The clinical documents of inpatients were analyzed and the diagnoses were checked. The outpatients were investigated through a case survey. Pomacea snails on sale were examined for the infection status of Angiostrongylus cantonensis.RESULTS:
Of 18 persons, 16 consumed Pomacea snail food and 9 were infected with an infection rate of 56.3%. The two persons who did not consumed snail food were not infected. Serum samples of seven patients were examined for antibody to Angiostrongylus cantonensis in peripheral blood and 3 were proved positive (42.9%). The snails consumed by the patients came from the market, and the surveillance data showed that the infection rate of Angiostrongylus cantonensis of Pomacea snails was 7.3%.CONCLUSION:
According to the epidemiological survey, clinical manifestations, and laboratory examinations, the outbreak of eosinophilic meningitis is due to the consumption of Pomacea snails infected with Angiostrongylus cantonensis.
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Collection:
01-internacional
Base de données:
MEDLINE
Sujet principal:
Escargots
/
Épidémies de maladies
/
Infections à Strongylida
/
Angiostrongylus cantonensis
/
Maladies d'origine alimentaire
Type d'étude:
Diagnostic_studies
/
Observational_studies
/
Risk_factors_studies
Limites:
Adolescent
/
Adult
/
Animals
/
Child
/
Female
/
Humans
/
Male
/
Middle aged
Pays/Région comme sujet:
Asia
Langue:
Zh
Journal:
Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi
Année:
2011
Type de document:
Article
Pays d'affiliation:
Chine