Some of those vaccines have a long history and they prooved in many ways.
You can research them one by one and be sure.
Just because someone exploited a good discovery/invention it doesn't mean that it is discredited now.
Some of those vaccines have a long history and they prooved in many ways.
You can research them one by one and be sure.
Just because someone exploited a good discovery/invention it doesn't mean that it is discredited now.
I'm with L on this one.