A fully vaccinated infectious disease doctor died after being exposed to covid in India.

https://sg.news.yahoo.com/vaccinated-american-doctor-dies-travelling-231602154.html

This has shown that the US vaccine has low efficacy for a fully vaccinated person who is exposed to the covid virus on a daily basis.

We had already questioned the US efficacy previously.

http://sg-stock.blogspot.com/2021/04/singapore-reinfections-are-rising-with.html