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对部分人群进行了EHF的血清学检查,发现:①家鼠型EHF的隐性感染率,因人群的不同差异很大(3.7～50.42%)。老疫区高于新疫区;与病人及带毒褐家鼠污染物接触机会多的人高于一般人群;也可能受到检查季节的影响。有明显的家族和小区域内的聚集现象。②以柴禾为生活能源的农村,其家鼠型EHF的感染途径,有经破伤体表的血行感染,也难以排除经口的食入感染,但是最主要的途径可能是吸入EHF病毒气溶胶经呼吸道感染。
Serological tests of EHF were carried out on some of the subjects. The results showed that: (1) The latent infection rate of EHF in domestic mice was very high (3.7-50.42%) due to the difference in population. The old epidemic area is higher than that of the new one. People who have more chance of contact with the patient and poisoned Rattus norvegicus than the general population may also be affected by the season of inspection. There is a clear aggregation of family and small area. ②With Chai Wo as a living energy source in rural areas, the EHF infection pathway in domestic mice, there is blood on the broken body surface infection, it is difficult to rule out oral ingestion infection, but the most important route may be inhaled EHF virus gas Sol through the respiratory tract infection.