Epidemiological analysis on 141 cases of angiostrongyliasis cantonensis in Beijing / 中华流行病学杂志

<p><b>OBJECTIVE</b>To provide scientific basis for angiostrongyliasis cantonensis control and prevention in Beijing.</p><p><b>METHODS</b>Descriptive epidemiological method was used to analyze angiostrongyliasis cantonensis reported from June to September in 2006.</p><p><b>RESULTS</b>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.</p><p><b>CONCLUSION</b>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.</p>

An epidemiological survey on paragonimiasis in Jin Miaopu township in Shanxi province / 中华预防医学杂志

<p><b>OBJECTIVE</b>To investigate the epidemiological factors and tendency of paragonimiasis in Jin Miaopu township in Zezhou county of Shanxi Province, and to understand the current status of public awareness for providing references to paragonimiasis education and prevention.</p><p><b>METHODS</b>A questionnaire survey was conducted among 2172 villagers probing awareness of paragonimiasis and their experiences of eating crabs; Infection screening and antibody test were also performed by means of ELISA.</p><p><b>RESULTS</b>The paragonimiasis knowledge coverage rate was zero, and 67.7% (1471/2172) of the respondents claimed their histories of crab eating and 96.7% (29/30) of crabs were infected with metacercaria of paragonimus. Of all the study subjects, 11% (241/2172) of them were infected with the positive rate of 4.1% (89/270).</p><p><b>CONCLUSION</b>The incidence of paragonimiasis is closely related to dietetic habit in local residents. It is extremely necessary to increase the public awareness of paragonimiasis prevention and control and to improve the living conditions and dietetic habits.</p>