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近50年来莫斯科的霉菌丛发生明显改变。小孢子菌病在侵犯皮肤、毛发的霉菌病中的比重,1943年为8%,1960年为80%,1971年为95%。1943年记录的唯一的小孢子菌菌株为狗小孢子菌,1957年82%为铁锈色小孢子菌,而现今又为狗小孢子菌。小孢子菌病原体的变化使研究者们特别仔细研究为发现新菌株的霉菌培养结果。作者从而注意到莫斯科反复出现的新的菌株——扭曲小孢子菌(M.distortum)。在莫斯科,该菌引起的第一批小孢子菌病例发现于1971年10～12月,全部患儿均与野猫接触过,但在捕捉野猫后不再出现新病例。本菌株与狗小孢子菌引起的小孢子菌病临床经过无明显差别。资料
In the past 50 years there has been a clear change in the mold flora in Moscow. The proportion of microsporidiosis in the mycosis affecting the skin and hair was 8% in 1943, 80% in 1960 and 95% in 1971. The only microsporum species recorded in 1943 was Microsporum sp, 82% of which was Microsporum rustyum in 1957, and now Microsporum canis. Changes in the pathogens of the microsporidium led investigators to study carefully the results of the mold culture to discover new strains. The authors thus noticed the recurring new strain of M. distortum in Moscow. In Moscow, the first group of microsporidia cases caused by this bacterium was found in October-December 1971. All children were exposed to wild cats, but no new cases were found after cats were caught. This strain and the microsporum caused by microsporidiosis clinical no significant difference. data