China has started its 2nd generation covid vaccine in New Zealand.

https://sg.news.yahoo.com/chinese-firm-puts-covid-19-105955270.html

China knows that all the existing vaccines will become ineffective against the variants.  Therefore, it has developed a 2nd generation vaccine to fight off the variants.

It is currently doing a clinical trial in NZ.  Hopefully, this will be more effective than all the existing vaccines.