今年春夏,我国受到了“非典”病毒的袭击,虽然现在疫情得到了有效控制,人们仍心有余悸。“非典”到底会流行多久?历史经验告诉我们,一种新的传染病流行后,会与人类长期共存。如1977年发现的军团菌、埃博拉出血热,1983年发现的艾滋病等,至今仍然是人类健康的大敌。“非典”也不 In the spring and summer of this year, our country has been attacked by the “SARS” virus. Although the outbreak has now been effectively controlled, people are still in a lingering fear. How long will “SARS” prevail? Historical experience tells us that after the epidemic of a new infectious disease coexists with humankind for a long time to come. Such as the Legionella bacteria found in 1977, Ebola haemorrhagic fever, and the AIDS epidemic found in 1983, are still the enemy of human health. “SARS” nor