我國因莫德納疫苗無法穩定到貨,除原本優先接種疫苗名單第一至第三類人員和孕婦,仍維持間隔28天施打第二劑外,其他都宣佈推遲為間隔10至12週。雖然已是同島不同命,但現在等第二劑的民眾更是焦慮,因為到底能不能在12週內順利完成接種得到足夠的保護力,竟然也得不到政府的保證?在此提醒中央疫情指揮中心,到目前為止找得到有關莫德納疫苗施打的官方指引中,第二劑都是建議4週或6週;就算有疫苗限制,WHO也寫明間隔最長也就是12週!
有關莫德納接種第二劑應該間隔多久,美國CDC和WHO網站寫得很清楚。美國CDC認為間隔為4週,最長為6週,超過6週才接種第二劑的有效性訊息有限。WHO也是建議間隔4週,可延長至6週;若疫苗供應嚴重限制的國家,為提高第一劑的覆蓋率,可考慮將第二劑疫苗延遲至最長12週;建議遵守完整接種時間表,而且兩次接種不建議混打。
附上美國CDC和WHO相關連結和肉容:
➡️美國CDC
♦️英文版:
Moderna COVID-19 vaccine
Get your second shot 4 weeks (or 28 days) after your first.
You should get your second shot as close to the recommended 4-week interval as possible. However, your second dose may be given up to 6 weeks (42 days) after the first dose, if necessary. You should not get the second dose early. There is currently limited information on the effectiveness of receiving your second shot earlier than recommended or later than 6 weeks after the first shot.
♦️中文版:
莫德納COVID-19疫苗
請在接種第一劑後的4週(或28天)接種第二劑。
您應盡可能在建議的4週間隔內接種第二劑。但是,如有必要,第二劑可以在接種第一劑後6週(42天)接種。不應過早接種第二劑。目前,關於在建議的時間之前或第一劑接種6週之後接種第二劑的有效性訊息有限。
♦️網站連結:
https://www.cdc.gov/coronavirus/2019-ncov/vaccines/second-shot.html
➡️WHO
♦️英文版:
SAGE recommends the use of the Moderna mRNA-1273 vaccine at a schedule of two doses (100 µg, 0.5 ml each) 28 days apart. If necessary, the interval between the doses may be extended to 42 days.
Studies have shown a high public health impact where the interval has been longer than that recommended by the EUL. Accordingly, countries facing a high incidence of COVID-19 combined with severe vaccine supply constraints could consider delaying the second dose up to 12 weeks in order to achieve a higher first dose coverage in high priority populations.
Compliance with the full schedule is recommended and the same product should be used for both doses.
♦️中文版:
戰略諮詢專家組推薦的莫德納mRNA-1273疫苗使用方案為,分兩次接種(每次100微克,0.5毫升),間隔28天。如有必要,接種間隔可延長至42天。
研究表明,如果間隔時間比《緊急使用清單》建議的時間長,會對公共衛生產生嚴重影響。因此,面臨COVID-19發生和疫苗供應嚴重限制的國家,可考慮將第二劑疫苗延遲至最多12週,以便在高優先人群中實現更高的第一劑覆蓋率。
建議遵守完整接種時間表,兩次接種應使用相同的產品。
♦️網站連結:
https://www.who.int/news-room/feature-stories/detail/the-moderna-covid-19-mrna-1273-vaccine-what-you-need-to-know?gclid=Cj0KCQjw6ZOIBhDdARIsAMf8YyHAy7nQ2sGbTqgw2vsOWnOTUCKFMFsrQX97xWqq9gHrEy_YAnoBMVsaAprKEALw_wcB
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