> The vaccine does not prevent infection and does not reduce the rate of infection,

This is not true. Multiple studies have shown that the vaccines significantly reduced infection rates.

> however it was mandated for everyone to take it, even strong young people with no comorbidities that had already been infected.

This is not true as well. Plenty of places around the world where it wasn't mandated. If you have a specific region in mind, do you mind elaborating? Are you talking about Korea?

> I know people who were otherwise healthy and got diagnosed with cancer after the Covid19 pandemic, everyone suspected it was related to the vaccines and it is now being proven by medical studies.

"My granddad smoked cigarettes. He died at 95. Hit by a truck."