大部分数据表明九价疫苗的保护期在10年左右,并且保护效果并不随着时间的推移而减弱。所以九价疫苗在6年后需要补打的说法是错误的,作为一种疫苗,并且在国内出现不过短短十几年,在药效上是不可以一劳永逸所以还是需
I copy stuff from output buffers into C++ code I\'m working on in vim. Often this output gets stuck into strings. And it\'d be nice to be able to escape all the control characters automatically rather