新冠疫苗第一针有什么作用注射新冠疫苗会出现什么

seline; WHITE-SPACE: normal; WORD-SPACING: 0px; BORDER-BOTTOM: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(102,102,102); PADDING-BOTTOM: 0px; FONT-STYLE: normal; PADDING-TOP: 0px; PADDING-LEFT: 0px; MARGIN: 0px; BORDER-LEFT: 0px; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: 1px; LINE-HEIGHT: 28px; PADDING-RIGHT: 0px; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 2em; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit">疫苗接种正在有条不紊的开展，想要防止疫苗二次蔓延，国民接种疫苗是一个最好的方式，等到了国民接种率到了一定要求，自然也可以从源头减少疫情肆虐，目前疫苗有着一针，二针，三针等不同疫苗选择，那么新冠疫苗第一针有什么作用。
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seline; WHITE-SPACE: normal; WORD-SPACING: 0px; BORDER-BOTTOM: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(102,102,102); PADDING-BOTTOM: 0px; FONT-STYLE: normal; PADDING-TOP: 0px; PADDING-LEFT: 0px; MARGIN: 0px; BORDER-LEFT: 0px; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: 1px; LINE-HEIGHT: 28px; PADDING-RIGHT: 0px; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 2em; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit">seline; BORDER-BOTTOM: 0px; FONT-WEIGHT: bold; PADDING-BOTTOM: 0px; PADDING-TOP: 0px; PADDING-LEFT: 0px; MARGIN: 0px; BORDER-LEFT: 0px; PADDING-RIGHT: 0px; font-stretch: inherit">新冠疫苗第一针有什么作用
【新冠疫苗第一针有什么作用注射新冠疫苗会出现什么】seline; WHITE-SPACE: normal; WORD-SPACING: 0px; BORDER-BOTTOM: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(102,102,102); PADDING-BOTTOM: 0px; FONT-STYLE: normal; PADDING-TOP: 0px; PADDING-LEFT: 0px; MARGIN: 0px; BORDER-LEFT: 0px; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: 1px; LINE-HEIGHT: 28px; PADDING-RIGHT: 0px; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 2em; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit">新冠疫苗第一针主要是为了让人体产生相应的抗体，疫苗免疫后产生的抗体因人而异，之所以会需要打第二针乃至第三针是为了加强疫苗的作用，促进更多的抗体产生，疫苗抗体被称为免疫记忆反应。根据临床数据表明，单用一剂灭活疫苗不能产生预期的免疫效果。第二剂灭活疫苗接种后2周左右，接种人群可产生较好的免疫效果，这也是为何北京科兴以及安徽智飞都是二针剂或者是三针剂的原因。

新冠疫苗第一针有什么作用 注射新冠疫苗会出现什么

新冠疫苗第一针有什么作用注射新冠疫苗会出现什么