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本文报道了1998—1999年芒市地区933名入境、出境及回归人员疟疾监测结果。在933名血检者中,检出疟原虫阳性38例,阳性率为4.07%,其中间日疟(FV)21例,占55.26%;恶性疟(PF)17例,占44.74%。不同人群的血检结果为,缅籍入境人员血检371人,检出疟原虫阳性19人,阳性率为5.12%(其中FV13例,占68.42%;PF6例,占31.58%);出境3个月以上的回归人员血检350人,检出疟原虫阳性15人,阳性率为4.29%(其中PV4人,占26.27%;PF11人,占73.33%);本地出境人员血检212人。检出疟原虫阳性4人,阳性率为1.89%(全系FV)。结果显示,入境、出境及回归人员疟原虫阳性率无显著差别(P>0.5),而入境与本地出境人员疟原虫阳性率之比则有显著差别(P<0.01)。这表明本地区疟疾发病已得到有效控制,而境外缅甸疟疾流行态势则非常严峻。笔者建议对旅行者或出入境人员应加强疟疾监测和防疟科普知识宣传,选择好预防性服药和个人防蚊叮咬措施,以防止疟疾的传播或扩散。
This article reports the results of malaria surveillance of 933 arrivals, departures and returnees in Mount City from 1998 to 1999. Of the 933 blood samples, 38 were positive for Plasmodium, the positive rate was 4.07%. Among them, 21 were FV (55.26%) and 17 were Plasmodium falciparum (44.74%). The results of blood tests in different groups of people were: 371 blood samples from Burmese originators, 19 positive for Plasmodium, the positive rate was 5.12% (FV13 cases, accounting for 68.42%; PF6 cases, accounting for 31.58%); Out of the country Blood samples were collected from 350 returnees and 15 were positive for Plasmodium, the positive rate was 4.29% (PV4, accounting for 26.27%; PF11, accounting for 73.33%); 4 were positive for Plasmodium, the positive rate was 1.89% (whole department FV). The results showed that there was no significant difference in the positive rate of Plasmodium among entry, exit and returning workers (P> 0.5), while there was a significant difference (P <0.01) between the positive rates of Plasmodium in entry and exit personnel. This shows that the incidence of malaria in this area has been effectively controlled, while the malaria epidemic outside Myanmar is very grim. The author suggests travelers or immigrants should strengthen malaria surveillance and knowledge of anti-malarial general knowledge, choose preventive medication and personal mosquito bites to prevent the spread or spread of malaria.