混合打疫苗的效果是好还是坏,现在不得而知。
但norwegian cruise lines的网站上明确指出至2021年10月31日为止,在登船前必须出示有关政府部门打了两针疫苗的证明,可以接受的疫苗是:强生,辉瑞,莫德纳和阿斯利康,但
不接受混合打疫苗,比如辉瑞加莫德纳,莫德纳加阿斯利康等。
www.ncl.com
有意思,
在美国上船的不接受混打, 从非美国上船的可以混打,
看来美国不支持混打
For ships embarking or disembarking at US ports, U.S. Food and Drug Administration (FDA) and/or World Health Organization (WHO) authorized single brand vaccination protocol will be accepted. Including, J&J Janssen, Pfizer-BioNTech, Moderna, AstraZeneca/Oxford. Mixed vaccination protocol will not be accepted (i.e. Pfizer + Moderna or AstraZeneca + Pfizer, etc).
All Other Vessels departing from a non US port will accept any U.S. Food and Drug Administration (FDA), European Medicines Agency (EMA), or World Health Organization (WHO) authorized single brand vaccination protocol. Or a mixed vaccination protocol of only AstraZeneca-SK Bio, Pfizer-BioNTech or Moderna combinations.
Vaccines received via clinical trials will not be accepted as they do not specify vaccine received.