From CNN no less.
Merck stopping development of its Covid-19 vaccine candidates
Pharmaceutical company Merck announced Monday it is discontinuing development of its Covid-19 vaccine candidates after early studies showed immune responses were inferior to natural infection and other Covid-19 vaccines.
Turns out you are better off relying on your own immune system rather than a fast-tracked vaccine. Surprise.

https://www.cnn.com/2021/01/25/health/merck-covid-19-vaccine-stop/index.html