Sinovac shot gives no shield for Omicron?

https://www.businesstimes.com.sg/government-economy/sinovac-shot-gives-no-shield-for-omicron-hong-kong-study

Sinovac manufacturer has come out to defend its vaccine by stating that its booster shot is able to fight omicron.

https://www.scmp.com/news/china/science/article/3159784/omicron-chinas-sinovac-covid-19-vaccine-fails-antibodies-test

What's going on now?

Well, 3-shot of mRNA is unable to prevent omicron infection as numerous cases have surfaced that people with 3 shots of mRNA are being infected.

https://www.theguardian.com/world/2021/dec/12/how-omicron-appears-to-be-infecting-britain-despite-the-vaccine

2 airport crews in Singapore who got 3 vaccine shots were also infected by omicron recently.

All the infected cases show that no vaccine is able to prevent omicron infection at all.