照國外最新資訊，即使打第三劑，碰到Omicron照樣突破，故以色列、智利皆施行第四劑，也不知有效與否？重點是少去群聚處，或公共場所脫口罩，此新變種病毒專攻鼻腔大量複製，傳播力特強，首重鼻孔防護，疫情嚴峻時恐需戴雙層口罩，尤其未打疫苗兒童要注意，今年度疫苗採購量充足，無需擔憂打不到，只要做好自身防護也有同等功效，安啦！

No response has been written yet. It is recommended to maintain a healthy skepticism towards it.