[Bob434]

there is differing views o n that apparently- some say it gives immunity, others say it won’t stop a person from getting it, but will prevent serious illness in almost all cases-

[1Old Pro]

there is differing views o n that apparently- some say it gives immunity, others say it won’t stop a person from getting it, but will prevent serious illness in almost all cases-

O.K. so there is no settled science? :)