Unvaccinated kids hit hard with flu as pediatric d
分类： NBC 新闻
随着破伤风疫苗接种率下降，医生们担心病例数量会上升
As tetanus vaccination rates decline, doctors worr
流感季才刚刚开始，但医生们已经高度戒备
Flu season is just beginning, but doctors are alre
Unvaccinated kids hit hard with flu as pediatric d
As tetanus vaccination rates decline, doctors worr
Flu season is just beginning, but doctors are alre