RESUMO
This investigation was conducted in three provinces of southern Vietnam in September-October 2011. A total of 257 small mammals of 11 species were caught; among them 120 rodents were infected with harvest mites of 8 species (Trom- biculidac). About 4000 mites of nearly 1200 identified species were collected from the small mammals. 17 species of harvest mites were identified. Walchia lupella, Leptotrombidium deliense, Walchia kritochaeta, and Walchia micropelta predominated in the collections. Most species of mites parasitized Rattus rattus (n= 15), Maxomys surifer (n=9), and B.savilei (n=7). The occurrence of Trombiculidaewas high on Bandicota savilei (90.0%), M.sunfer (87.8%), R.rattus (80.9%), and Bandicota indica (71.4%). The largest number of mites was observed in B.savilei and B.indica. The species of the genus Ascoschoengastia parasitized predominantly R.rattus and those of the genus Wachia did M.surifer. W.upella (n=7), L.delense (n=5), and Ascoschoengastiaindica (n=5) were associated with the widest range of nourishers. The species L.delicense known as a carrier of the causative agent of tsutsugamushi fever predominated in synanthropic rodents.
Assuntos
Mamíferos/parasitologia , Doenças Parasitárias/epidemiologia , Animais , Ácaros/patogenicidade , Doenças Parasitárias/parasitologia , Roedores/parasitologia , Trombiculidae/patogenicidade , Vietnã/epidemiologiaRESUMO
Blood-sucking mosquitoes (n = 2277) collected in Tula and its Region in 2013-2014 were examined using a PCR assay for dirofilariae. A total of 12 species from 4 genera (Culiseta, Aedes, Ochlerotatus [foreign character] Culex) out of 18 found mosquito species were infected with Dirofilaria immitis and D. repens. The proportion of the infected mosquitoes was 2.5% (D. immitis, 1.5%; D.repens, 1%). According to preliminary data, the most efficient Dirofilaria vectors, in the Tula Region may be Ae. vexans, Ae. geniculatus, Och. cantans, and Cx. pipiens.
Assuntos
Culicidae/parasitologia , Dirofilaria immitis/crescimento & desenvolvimento , Dirofilaria repens/crescimento & desenvolvimento , Interações Hospedeiro-Parasita , Insetos Vetores/parasitologia , Estágios do Ciclo de Vida/fisiologia , Animais , Culicidae/classificação , DNA de Helmintos/genética , Dirofilaria immitis/genética , Dirofilaria immitis/patogenicidade , Dirofilaria repens/genética , Dirofilaria repens/patogenicidade , Dirofilariose/epidemiologia , Dirofilariose/parasitologia , Dirofilariose/patologia , Dirofilariose/transmissão , Cães , Monitoramento Epidemiológico , Feminino , Humanos , Masculino , Reação em Cadeia da Polimerase , Federação Russa/epidemiologiaRESUMO
Analysis of data on the incidence of pediculosis worldwide has shown that this disease still remains one of the major health problems in many countries. The ways of transmitting lice and different (social and biological) factors influencing lice infestation are considered. The country's real morbidity rate, such as the ratio of the number of reported pediculosis cases to the amount of pediculicides sold at drugstores in both Russia as a whole and its individual federal districts in particular, has been investigated. The actual morbidity rate has been found to be higher than the officially recorded one.
Assuntos
Infestações por Piolhos/epidemiologia , Infestações por Piolhos/terapia , Pediculus , Dermatoses do Couro Cabeludo/epidemiologia , Dermatoses do Couro Cabeludo/terapia , Adolescente , Animais , Criança , Pré-Escolar , Feminino , Humanos , Masculino , Federação Russa/epidemiologiaRESUMO
Bloodsucking mosquitoes were collected in Tula and its Region in May to August 2013-2014. The fauna included 17 species from 5 genera in the subfamily Culicinae and Anopheles maculipennis complex in the subsystem Anophelinae. Ochlerotatus cantans was a dominant species in the collections. The dominant species also included Aedes einereus, Ae. vexans, Ae. geniculatus, Och. diantaeus, Och. intrudens, Och. Cataphylla, and Culex pipiens. The possible value of different mosquito species Dirofilaria repens and D. immitis as vectors of dirofilarasis was discussed.
