柔砂冒现二新簇群，各有2冠病例

<img src="/assets/images/icons/info.svg" alt="" aria-hidden="true" width="20" height="20" data-astro-cid-pxffdmp7> 本刊简介 <img src="/assets/images/icons/arrow-down-blue.svg" alt="" aria-hidden="true" class="chevron" width="16" height="16" data-astro-cid-pxffdmp7>

<img src="/assets/images/icons/contact-card.svg" alt="" aria-hidden="true" width="20" height="20" data-astro-cid-pxffdmp7> 联系 <img src="/assets/images/icons/arrow-down-blue.svg" alt="" aria-hidden="true" class="chevron" width="16" height="16" data-astro-cid-pxffdmp7>

<img src="/assets/images/icons/info.svg" alt="" aria-hidden="true" width="20" height="20" data-astro-cid-q4lyixy7> 本刊简介 <img src="/assets/images/icons/arrow-down-blue.svg" alt="" aria-hidden="true" class="chevron" width="16" height="16" data-astro-cid-q4lyixy7>

<img src="/assets/images/icons/contact-card.svg" alt="" aria-hidden="true" width="20" height="20" data-astro-cid-q4lyixy7> 联系 <img src="/assets/images/icons/arrow-down-blue.svg" alt="" aria-hidden="true" class="chevron" width="16" height="16" data-astro-cid-q4lyixy7>