新冠疫苗第二针何时打效果好？晚打会失效吗？
<section data-mpa-powered-by="yiban.io"><section powered-by="xiumi.us"><section><section><section powered-by="xiumi.us"><section><p style="text-indent: 2em;"><span style="color: rgb(62, 62, 62);letter-spacing: 1.8px;text-indent: 34px;">近期，随着武汉市新冠病毒疫苗接种工作稳步推进，市民朋友也遇到较多担心的问题，如</span><strong style="color: rgb(62, 62, 62);letter-spacing: 1.8px;text-indent: 34px;white-space: normal;">新冠疫苗接种的程序是怎样的？为什么接种间隔会最长达到8周？间隔时间延长了会有影响吗？</strong><strong style="color: rgb(62, 62, 62);letter-spacing: 1.8px;text-indent: 34px;white-space: normal;">接种了2剂次后还需要再加强吗？</strong><span style="color: rgb(62, 62, 62);letter-spacing: 1.8px;text-indent: 34px;">等等。一起来看看武汉市疾控中心专家的解答。</span></p></section></section></section></section></section><section powered-by="xiumi.us"><section><section powered-by="xiumi.us"><section style="line-height: 1.75em;"><br/></section><section data-support="96编辑器" data-style-id="6553"><blockquote style="border-width: 1px 1px 1px 5px;border-top-style: solid;border-right-style: solid;border-bottom-style: solid;border-color: rgb(238, 238, 238) rgb(238, 238, 238) rgb(238, 238, 238) rgb(0, 112, 192);border-radius: 3px;padding-top: 10px;padding-right: 10px;padding-bottom: 10px;margin-top: 10px;margin-bottom: 10px;"><p style="color: rgb(0, 112, 192);font-weight: bold;font-size: 18px;margin-top: 5px;margin-bottom: 5px;border-color: rgb(0, 112, 192);"><span style="font-size: 17px;"><span style="letter-spacing: 2px;"></span><span style="letter-spacing: 2px;">什么是疫苗的免疫程序？</span></span></p></blockquote></section><section style="line-height: 1.75em;"><br/></section><section style="line-height: 1.75em;text-indent: 2em;margin-left: 8px;margin-right: 8px;"><span style="letter-spacing: 2px;">免疫程序是指对某一特定人群预防针对传染病需要接种疫苗的种类、次序、年龄、剂量、部位及有关要求所做的具体规定。只有按照</span><span style="letter-spacing: 2px;color: rgb(0, 112, 192);"><strong>科学、合理的程序进行接种</strong></span><span style="letter-spacing: 2px;">，才能充分发挥疫苗的免疫效果，减少预防接种不良反应的发生，避免人力、物力、财力的浪费，有效保护易感人群，预防和控制针对传染病的发生和流行。</span></section><section style="line-height: 1.75em;"><br/></section><section data-support="96编辑器" data-style-id="6553" style="white-space: normal;"><blockquote style="margin-top: 10px;margin-bottom: 10px;padding-top: 10px;padding-right: 10px;padding-bottom: 10px;border-width: 1px 1px 1px 5px;border-top-style: solid;border-right-style: solid;border-bottom-style: solid;border-color: rgb(238, 238, 238) rgb(238, 238, 238) rgb(238, 238, 238) rgb(0, 112, 192);border-radius: 3px;"><p style="margin-top: 5px;margin-bottom: 5px;color: rgb(0, 112, 192);font-weight: bold;font-size: 18px;border-color: rgb(0, 112, 192);"><span style="font-size: 17px;"><span style="letter-spacing: 2px;"><span style="letter-spacing: 2px;">什么是接种疫苗的间隔时间？</span></span></span></p></blockquote></section><section style="line-height: 1.75em;"><br/></section><section style="line-height: 1.75em;text-indent: 2em;margin-left: 8px;margin-right: 8px;"><span style="letter-spacing: 2px;">接种疫苗的间隔时间是指</span><span style="letter-spacing: 2px;color: rgb(0, 112, 192);"><strong>需要接种≥2剂次疫苗之间的时间间隔</strong></span><span style="letter-spacing: 2px;">。间隔时间的长短直接影响到免疫效果。相对而言，2剂次之间的长间隔时间比短间隔时间所产生的免疫效果较好，但在疾病流行期可能会因时间间隔的延长而推迟产生保护性抗体的时间，从而增加感染疾病的风险。如果接种针次短于规定的最小间隔时间接种疫苗，会减弱抗体应答，该次接种的疫苗不应该作为免疫程序的一次接种，应视为无效接种。</span></section><section style="line-height: 1.75em;"><br/></section><section data-support="96编辑器" data-style-id="6553" style="white-space: normal;"><blockquote style="margin-top: 10px;margin-bottom: 10px;padding-top: 10px;padding-right: 10px;padding-bottom: 10px;border-width: 1px 1px 1px 5px;border-top-style: solid;border-right-style: solid;border-bottom-style: solid;border-color: rgb(238, 238, 238) rgb(238, 238, 238) rgb(238, 238, 238) rgb(0, 112, 192);border-radius: 3px;"><p style="margin-top: 5px;margin-bottom: 5px;color: rgb(0, 112, 192);font-weight: bold;font-size: 18px;border-color: rgb(0, 112, 192);"><span style="font-size: 17px;"><span style="letter-spacing: 2px;"><span style="letter-spacing: 2px;">目前武汉市使用的新冠病毒灭活疫苗的免疫</span><span style="letter-spacing: 2px;">程序是怎样的？</span></span></span><span style="color: rgb(154, 154, 154);font-size: 15px;"></span></p></blockquote></section><section style="line-height: 1.75em;"><br/></section><section style="line-height: 1.75em;text-indent: 2em;margin-left: 8px;margin-right: 8px;"><span style="letter-spacing: 2px;">根据国家免疫规划专家咨询委员会制定的《新冠病毒疫苗接种技术指南》（第一版），推荐免疫程序如下：</span></section><section style="line-height: 1.75em;text-indent: 2em;margin-left: 8px;margin-right: 8px;"><br/></section><section style="line-height: 1.75em;text-indent: 2em;margin-left: 8px;margin-right: 8px;"><span style="letter-spacing: 2px;">（一）适用对象：18周岁及以上人群。</span></section><section style="line-height: 1.75em;text-indent: 2em;margin-left: 8px;margin-right: 8px;"><br/></section><section style="line-height: 1.75em;text-indent: 2em;margin-left: 8px;margin-right: 8px;"><span style="letter-spacing: 2px;">（二）接种剂次和间隔</span></section><section style="line-height: 1.75em;text-indent: 2em;margin-left: 8px;margin-right: 8px;"><br/></section><section style="line-height: 1.75em;text-indent: 2em;margin-left: 8px;margin-right: 8px;"><span style="letter-spacing: 2px;">新冠病毒灭活疫苗（Vero细胞），接种2剂次。2剂次之间的接种间隔建议≥3周，第2剂在8周内尽早完成。</span></section><section style="line-height: 1.75em;text-indent: 2em;margin-left: 8px;margin-right: 8px;"><br/></section><section style="line-height: 1.75em;text-indent: 2em;margin-left: 8px;margin-right: 8px;"><span style="letter-spacing: 2px;">（三）接种途径和部位</span></section><section style="line-height: 1.75em;text-indent: 2em;margin-left: 8px;margin-right: 8px;"><br/></section><section style="line-height: 1.75em;text-indent: 2em;margin-left: 8px;margin-right: 8px;"><span style="letter-spacing: 2px;">推荐上臂三角肌肌内注射。</span></section><section style="line-height: 1.75em;"><br/></section><section data-support="96编辑器" data-style-id="6553" style="white-space: normal;"><blockquote style="margin-top: 10px;margin-bottom: 10px;padding-top: 10px;padding-right: 10px;padding-bottom: 10px;border-width: 1px 1px 1px 5px;border-top-style: solid;border-right-style: solid;border-bottom-style: solid;border-color: rgb(238, 238, 238) rgb(238, 238, 238) rgb(238, 238, 238) rgb(0, 112, 192);border-radius: 3px;"><p style="margin-top: 5px;margin-bottom: 5px;color: rgb(0, 112, 192);font-weight: bold;font-size: 18px;border-color: rgb(0, 112, 192);"><span style="font-size: 17px;"><span style="letter-spacing: 2px;"><span style="letter-spacing: 2px;">有市民朋友担心，自己在接种第1剂次后间</span><span style="letter-spacing: 2px;">隔8周再接种，是不是有点晚了？</span></span></span><span style="color: rgb(154, 154, 154);font-size: 15px;"></span></p></blockquote></section><section style="line-height: 1.75em;"><br/></section><section style="line-height: 1.75em;text-indent: 2em;margin-left: 8px;margin-right: 8px;"><span style="letter-spacing: 2px;">对于这一点，市民朋友不用担心。根据《新冠病毒疫苗接种技术指南》（第一版）推荐免疫程序，</span><span style="letter-spacing: 2px;color: rgb(0, 112, 192);"><strong>市民朋友接种第1剂次后，间隔3至8周完成第2剂次接种，都符合接种要求。</strong></span><span style="letter-spacing: 2px;">而且，只要是在规定的时间间隔内，理论上来说，长间隔时间比短间隔时间所产生的免疫效果较好。目前，广大市民日常生活已回归常态，不会因延长接种间隔时间而增加感染风险。</span></section><section style="line-height: 1.75em;"><br/></section><section data-support="96编辑器" data-style-id="6553" style="white-space: normal;"><blockquote style="margin-top: 10px;margin-bottom: 10px;padding-top: 10px;padding-right: 10px;padding-bottom: 10px;border-width: 1px 1px 1px 5px;border-top-style: solid;border-right-style: solid;border-bottom-style: solid;border-color: rgb(238, 238, 238) rgb(238, 238, 238) rgb(238, 238, 238) rgb(0, 112, 192);border-radius: 3px;"><p style="margin-top: 5px;margin-bottom: 5px;color: rgb(0, 112, 192);font-weight: bold;font-size: 18px;border-color: rgb(0, 112, 192);"><span style="font-size: 17px;"><span style="letter-spacing: 2px;"><span style="letter-spacing: 2px;">接种新冠疫苗的同时，可以接种其他疫苗吗？</span></span></span><span style="color: rgb(154, 154, 154);font-size: 15px;"></span></p></blockquote></section><section style="line-height: 1.75em;"><br/></section><section style="line-height: 1.75em;text-indent: 2em;margin-left: 8px;margin-right: 8px;"><span style="color: rgb(0, 112, 192);"><strong><span style="letter-spacing: 2px;">暂不推荐与其他疫苗同时接种。</span></strong></span><span style="letter-spacing: 2px;">其他疫苗与新冠病毒疫苗的接种间隔应大于14天。但当因动物致伤、外伤等原因需接种狂犬病疫苗、破伤风疫苗、狂犬病人免疫球蛋白或抗破伤风免疫球蛋白时，可不考虑与新冠病毒疫苗的接种间隔。</span></section><section style="line-height: 1.75em;"><br/></section><section data-support="96编辑器" data-style-id="6553" style="white-space: normal;"><blockquote style="margin-top: 10px;margin-bottom: 10px;padding-top: 10px;padding-right: 10px;padding-bottom: 10px;border-width: 1px 1px 1px 5px;border-top-style: solid;border-right-style: solid;border-bottom-style: solid;border-color: rgb(238, 238, 238) rgb(238, 238, 238) rgb(238, 238, 238) rgb(0, 112, 192);border-radius: 3px;"><p style="margin-top: 5px;margin-bottom: 5px;color: rgb(0, 112, 192);font-weight: bold;font-size: 18px;border-color: rgb(0, 112, 192);"><span style="font-size: 17px;"><span style="letter-spacing: 2px;"><span style="letter-spacing: 2px;">新冠病毒疫苗完成全程接种后，需要再加强吗？</span></span></span><span style="color: rgb(154, 154, 154);font-size: 15px;"></span></p></blockquote></section><section style="line-height: 1.75em;"><br/></section><section style="line-height: 1.75em;text-indent: 2em;margin-left: 8px;margin-right: 8px;"><span style="letter-spacing: 2px;">根据《新冠病毒疫苗接种技术指南》（第一版），</span><span style="letter-spacing: 2px;color: rgb(0, 112, 192);"><strong>现阶段暂不推荐加强免疫。</strong></span><span style="letter-spacing: 2px;">但对在14天内完成2剂新冠病毒灭活疫苗接种者，在第2剂接种3周后尽早补种1剂灭活疫苗。</span></section><section style="line-height: 1.75em;"><br/></section></section></section></section><section powered-by="xiumi.us"><section><section powered-by="xiumi.us"><section powered-by="xiumi.us"><section style="line-height: 1.75em;"><span style="letter-spacing: 2px;"></span></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><hr style="font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);border-style: solid;border-right-width: 0px;border-bottom-width: 0px;border-left-width: 0px;border-color: rgba(0, 0, 0, 0.1);transform-origin: 0px 0px;transform: scale(1, 0.5);"/><section data-role="paragraph" style="letter-spacing: 0.544px;white-space: normal;font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif;background-color: rgb(255, 255, 255);"><p style="line-height: 2em;"><span style="font-size: 14px;letter-spacing: 1px;color: rgb(136, 136, 136);">来源：武汉疾控</span></p><p style="line-height: 2em;"><span style="font-family: -apple-system-font, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; letter-spacing: 0.544px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(136, 136, 136); font-size: 14px; box-sizing: border-box !important; overflow-wrap: break-word !important;">制作：万轶 | </span><span style="font-family: -apple-system-font, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; letter-spacing: 0.544px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(136, 136, 136); font-size: 14px; box-sizing: border-box !important; overflow-wrap: break-word !important;">编辑：方丹 | </span><span style="font-family: -apple-system-font, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; letter-spacing: 0.544px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(136, 136, 136); font-size: 14px; box-sizing: border-box !important; overflow-wrap: break-word !important;">责编：方军</span></p><p style="margin: 0cm 0cm 0.0001pt; padding: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-size: 17px; letter-spacing: 0.544px; white-space: normal; background-color: rgb(255, 255, 255); font-family: -apple-system-font, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; line-height: 19.2pt; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; color: rgb(136, 136, 136); font-size: 14px;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; letter-spacing: 0.544px; line-height: 19.2pt;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; letter-spacing: 0.544px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; letter-spacing: 0.544px;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">出品：</span></strong>蔡甸区融媒体中心</strong></span></span></p></section><section data-role="paragraph" style="letter-spacing: 0.544px;white-space: normal;font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif;background-color: rgb(255, 255, 255);"><section data-role="paragraph" style="letter-spacing: 0.544px;font-size: 15px;text-align: center;font-family: -apple-system, BlinkMacSystemFont, Arial, sans-serif;"><section data-tools="135编辑器" data-id="86134" data-color="#757576" style="border-width: 0px;border-style: none;border-color: initial;font-family: -apple-system-font, BlinkMacSystemFont, Arial, sans-serif;"><section data-tools="135编辑器" data-id="86134" 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