Common epidemiology of Rickettsia felis infection and malaria, Africa.

Common epidemiology of Rickettsia felis infection and malaria, Africa.
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DOI:
10.3201/eid1911.130361
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发表时间:
2013-11
影响因子:
11.8
通讯作者:
Raoult D
Raoult D
中科院分区:
医学2区
文献类型:
--
作者:
Mediannikov O;Socolovschi C;Edouard S;Fenollar F;Mouffok N;Bassene H;Diatta G;Tall A;Niangaly H;Doumbo O;Lekana-Douki JB;Znazen A;Sarih M;Ratmanov P;Richet H;Ndiath MO;Sokhna C;Parola P;Raoult D

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本研究旨在比较法国、北非和撒哈拉以南非洲地区猫立克次体感染和疟疾的流行病学,并确定常见的媒介。对 3,122 名发热患者和 500 名非发热患者的血液样本进行了猫立克体和疟原虫属的分析。我们观察到猫 R. felis 感染风险增加的显着线性趋势 (p<0.0001)。法国、突尼斯和阿尔及利亚的风险最低(1%),塞内加尔农村地区的风险最高(15%)。猫拉氏菌和疟原虫的共同感染。并确定了猫罗拉氏菌复发或再感染的情况。这项研究证明了疟疾和猫疟原虫感染之间在地理分布、季节性、无症状感染和潜在媒介方面的相关性。在疟疾流行的地理区域应怀疑猫红丝体感染。前往撒哈拉以南非洲的旅行者使用多西环素化学预防疟疾也可以预防立克次体病;因此,撒哈拉以南非洲旅行者和居民的发热性疾病的经验治疗策略可能需要重新评估。
This study aimed to compare the epidemiology of Rickettsia felis infection and malaria in France, North Africa, and sub-Saharan Africa and to identify a common vector. Blood specimens from 3,122 febrile patients and from 500 nonfebrile persons were analyzed for R. felis and Plasmodium spp. We observed a significant linear trend (p<0.0001) of increasing risk for R. felis infection. The risks were lowest in France, Tunisia, and Algeria (1%), and highest in rural Senegal (15%). Co-infections with R. felis and Plasmodium spp. and occurrences of R. felis relapses or reinfections were identified. This study demonstrates a correlation between malaria and R. felis infection regarding geographic distribution, seasonality, asymptomatic infections, and a potential vector. R. felis infection should be suspected in these geographical areas where malaria is endemic. Doxycycline chemoprophylaxis against malaria in travelers to sub-Saharan Africa also protects against rickettsioses; thus, empirical treatment strategies for febrile illness for travelers and residents in sub-Saharan Africa may require reevaluation.
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