Epidemiological Studies Of Hydtidosis In The East Part Of Qinghai-Tibet Plateau (Gannan Tibetan Autonomous Prefecture)

To report the infection situation of hydatidosis in Gannan Tibetan Autonomous Prefecture, Gansu Province. To kill, anatomical examination, fixed and pathological examination. Human were examined with B ultrasound and serological ELISA. Among the rodents , the Alveolar echinococcus(AE) infection rate of Ochotona daurica was 1.15% (1/87) , and of Mammalia Fontanieri was 3.03% (4/132) , but no infection was found in Marmota himalayana, Ochotona thibetana and Mus Musculus. There was no CE infection in rodents.451 (10.47%) out of 4309 investigated sheeps were infected with Cystic echinococcus (CE), and 6 (0.14 %) were infected with AE. There was no mixed infection in sheeps.329(9.03%) out of 3645 investigated yaks were infected with CE , and 5 (0.14%) were infected with AE. There were no mixed infection in yaks.20(1.92%) out of 1040 investigated human were infected with Cystic echinococcus (CE), and 3 (0.29 %) were infected with AE. There was no mixed infection in human. 17(22.97 %) out of 74 investigated dogs were infected with Echinococcus granulosus(Eg), and 4(5.41%) dogs were infected with Echinococcus. Multilocularis ( Em) . There was no mixed infection in dogs. Conclusion The results showed that the epidemic of CE was widespread but AE was a small prevail in Gannan Tibetan Autonomous Prefecture. It was first found that Alveolar echinococcus can live in livestock and Echinococcus. Multilocularis can live in dogs in the Gannan Tibetan Autonomous Prefecture. It was first report that Ochotona daurica was the intermediate host of Echinococcus.Multilocularis...