[Epidemiological analysis on 141 cases of angiostrongyliasis cantonensis in Beijing].

OBJECTIVE

To provide scientific basis for angiostrongyliasis cantonensis control and prevention in Beijing.

METHODS

Descriptive epidemiological method was used to analyze angiostrongyliasis cantonensis reported from June to September in 2006.

RESULTS

141 cases were treated at the Beijing Friendship Hospital with the peak in July (61 cases) and August (68 cases). All patients had dined at the same restaurant in Beijing city and they ate undercooked Pomacea canaliculata or related eatables. The source of Pomacea canaliculata was from Guilin in Guangxi. Major manifestations would include fever (56.79%), headache (93.83%), neck stiffness (100%), and skin paresthesia (77.78%). Some cases had significant eosinophil increase in peripheral blood picture and cerebrospinal fluid respectively.

CONCLUSION

The source of infection related to angiostrongyliasis cantonensis was clear, suggesting that the improvement of restaurant sanitation and on awareness of personal hygiene were important preventive and control measures on angiostrongyliasis cantonensis.