流感疫苗虽然不能准确的抓住当年的流感(因为变异太厉害),但是提高身体的非特异性免疫是治愈疾病的保障。
流感疫苗虽然不能准确的抓住当年的流感(因为变异太厉害),但是提高身体的非特异性免疫是治愈疾病的保障。
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