严冬一到,流感肆虐的日子也到了。摆在人们面前的一个选择也接踵而至,打不打流感疫苗。人们的犹豫是随着年复一年的流感疫苗注射产生的,而今年的疑问越来越大,很多人向疾病预防控制中心质疑:为何我们每年接种了流感疫苗还会得流感?既然接种了疫苗还会得流感,说明疫苗并不管用, As winter approaches, the days of flu pandemic have arrived. One of the options in front of people is also coming one after another, with no flu shot. People are hesitating with the flu vaccination year after year, but this year’s doubts are growing. Many people question the CDC: why do we get the flu every year when we get the flu? Since vaccinated Vaccine will get flu, indicating that the vaccine does not work,