| 河南省郑州市郊区卫生防疫站.一起鼠型斑疹伤寒爆发流行的调查[J].Chinese journal of Epidemiology,1983,4(2):99-102 |
| 一起鼠型斑疹伤寒爆发流行的调查 |
| Investigations on an Outbreak of Murine Typhus Fever |
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| Abstract: |
| 1980年9~12月,郑州市郊区黄河桥大队爆发一起鼠型斑疹伤寒,罹患率为6.2%(118/1892)。爆发流行的原因是由于夏秋季农业丰收,集体和社员储粮增多,鼠患猖獗所引起。自9月15日至12月21日历时98天,呈爆发形式。高峰在11月份,占发病总数的56.8%。多发户(2例以上)占总病户数的28.2%,发病最多者一户六例。男女之比为1:1.07。除45~49岁年龄组无病例,其余各年龄组均有发病,但以青壮年发病者居多。住窑洞户发病率为56.6%,瓦房和草房者为13.1%。主要症状和体征为发热、头痛、皮疹。热程多为3~8天,最长者为20天。出疹阳性率22.0%。 |
| English Abstract: |
| From Sept.to Dec.in 1980, an outbreak of murine typhus fever took plac in Huangheqiao brigade, located in the suburb of Zhengzhou City.The morbidity rate was 6.2% (118/1,892). It was thought that the outbreak was the result of an increase of density of rodents, following a rich harvest in summer & autumn with full storage of grains in public and private sectors.From Sept.15th to Dec.21st, the epidemic took the form mainly of sporadic cases for 98 days. The peak was in November with a major proportion (56.8%) of total incidences. Multi-infected household (>2 cases per family) accounted for 28.2% of the total number of infected households.The most concentrated one was a family with 6 cases. The sex ratio, male/female was 1:1.07.All age groups were infected with the exception of the group of 45一49 years of age. Tee-nagers and young adults were most affected. The morbidity of the care-dwelling people was 56.6%, that of persons living in tile roofed houses or cottage was 13.1%.The main symptoms and signs were fever headache, skin rashes exanthemata.Fever lasted for 3—8 days in average with a maximum of 20 days.Exanthemata accounted for 22.0% of the total cases. |
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