Do you trust in vaccines for Covid 19?

I believe that you all no longer live relaxed and normal because of this covid virus 19
Many have lost their jobs, and some people barely live on the money they make.
I'm sitting on the train, people around me are not wearing masks.
I listen to two women talking about vaccines. I hear them say this is all a farce. people are deceived. Do you think so?
Will you feel safe if you receive the vaccine?
I'm really scared. Maybe they want us to be fewer in the world, for someone not to receive a pension?
I sit like that and I wonder ...