1977:"俄罗斯型流感"H1N1感染人类
1977：“俄罗斯型流感”H1N1感染人类1977: "Russian flu" H1N1 Infects Humans
在中国北方分析出的这种病毒与1957年以前传播的病毒相似，因此，1957年以前出生的人一般都有了抵抗力，而在那年之后出生的儿童和年轻人由于没有预先的免疫力而缺乏抵抗力。1978年这种病毒在世界各地传播开来，其中包括美国。这种病主要发生在孩子们身上，因此，这次流感没被看成是真正的大流行。1977-78年的流感季节，还没有及时地生产出控制病毒的疫苗，但是，1978-79年的流感疫苗就包含了这种病毒的疫苗。
Isolated in northern China, this virus was similar to the virus that spread before 1957. For this reason, individuals born before 1957 were generally protected, however children and young adults born after that year were not because they had no prior immunity. By January 1978, the virus had spread around the world, including the United States. Because illness occurred primarily in children, this event was not considered a true pandemic. Vaccine containing this virus was not produced in time for the 1977-78 season, but the virus was included in the 1978-79 vaccine.
