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呼和浩特市历史上未曾发现流行性出血热自然疫源地，也未见到流行性出血热疫情报告。１９９５年３月，本市中文齐镇发生１例临床表现典型并经血清学证实的流行性出血热病例。病家及其周围居民区家鼠密度为３．６１％，以褐家鼠为优势种。送检捕获鼠鼠肺５１份，阳性率２１．５７％。病家周围健康人群流行性出血热隐性感染调查，阳性率２．７１％（１／３７）。流行病学调查表明，病人病前１周－２个月内无外出史，故病人系本地感染。动物流行病学调查证实，呼和浩特农区存在流行性出血热自然疫源地。
Hohhot history has never been found in the natural epidemic of epidemic hemorrhagic fever epidemic, nor epidemic hemorrhagic fever epidemic. In March 1995, one case of epidemic hemorrhagic fever confirmed by serology was found in a homogeneous case of the Chinese town of Qi in this city. Domestic rats and their surrounding residential areas density of 3.61%, with Rattus norvegicus as the dominant species. Seized to seize 51 rat lungs, the positive rate of 21.57%. A survey of epidemic hemorrhagic fever with fever among healthy people around the sick was conducted. The positive rate was 2.71% (1/37). Epidemiological survey showed that the patient within 1 week -2 months without any history, so the patient is a local infection. Animal epidemiological investigation confirmed that there is a natural epidemic of epidemic hemorrhagic fever in Hohhot.