这次真的凉了，
美国核准六种疫苗施打后可以进入美国，
有国药、科兴，
没有高端。
这下子真的凉了。
https://reurl.cc/zWYV8N
U.S. will accept WHO-approved COVID-19 vaccines for international visitors
节录如下:
A CDC spokeswoman told Reuters Friday, "Six vaccines that are FDA
authorized/approved or listed for emergency use by WHO will meet the criteria
for travel to the U.S."
The new COVID-19 vaccine requirements will now apply to nearly all foreign
nationals flying to the United States - including those not subject to the
prior restrictions.