Full scan of my Mac

AVG Protection
3

Betty, Recommended frequency for launching a scan of the whole computer is once a week.
AVG Guru

1

Is it necessary to do a full scan of my Mac if AVG says I am fully proctected with always on protection and "I am up to date" is checked?  If so, how often do I need to do the fully scan?

2

Betty, Recommended frequency for launching a scan of the whole computer is once a week.
AVG Guru