1.0Tzu Chi Journalshttps://journal.tzuchi.us/zh/weinyhttps://journal.tzuchi.us/zh/article/author/weiny/解封後大問哉「口罩戴？不戴？」rich600338<blockquote class="wp-embedded-content" data-secret="IOxPaEigFx"><a href="https://journal.tzuchi.us/zh/article/236/mask-policy-after-reopen/">解封後大問哉「口罩戴？不戴？」</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://journal.tzuchi.us/zh/article/236/mask-policy-after-reopen/embed/#?secret=IOxPaEigFx" width="600" height="338" title="“解封後大問哉「口罩戴？不戴？」” — Tzu Chi Journals" data-secret="IOxPaEigFx" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
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https://media.tzuchi.us/wp-content/uploads/sites/8/2021/07/28210554/TzuchiUSA-236-mask-policy.jpg1400790美國在2020年十二月批准疫苗可供緊急使用後，因各州市大力推廣與疫苗供應量充裕，許多民眾都已接種了疫苗，根據「聯邦疾病管制與預防中心」（CDC）統計，截至6月17日，全美已有44.5%的居民完成「完全接種」（Fully Vaccinated），並有53%民眾最少接種過一劑疫苗。