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１９９５年５月，对某实验动物中心发生的肾综合征出血热（ＨＦＲＳ），进行调查。结果，显性感染１例；隐性感染３４例，隐性感染率为３７．７８％。实验用鼠和狗的抗ＨＦＲＳ阳性率分别为３７．６５％、１４．２９％。发生原因是野鼠窜入动物室内将ＨＦＲＳＶ传给实验动物所致。病例－对照分析表明，养鼠、与鼠接触年限、被鼠咬伤，是此次感染的危险因素；主要传播途径是密切接触实验动物，包括通过破损皮肤粘膜而感染。
In May 1995, hemorrhagic fever with renal syndrome (HFRS) in an experimental animal center was investigated. Results, 1 case of dominant infection; 34 cases of latent infection, the latent infection rate was 37.78%. The anti-HFRS positive rates of experimental mice and dogs were 37.65% and 14.29% respectively. The reason is that the wild rats flee into the animal’s room and transmit the HFRSV to the experimental animals. Case-control analysis showed that feeding rats, contact with the mouse life, bitten by rats, is a risk factor for the infection; the main route of transmission is in close contact with experimental animals, including through the damage of skin and mucous membranes and infection.