SS,
Perhaps this link may help you, and research as well.
https://top8antivirus.com/antivirus-comparison/?edgetrackerid=100298100431150&ver=one&gclid=EAIaIQob...
Think while doing your research you might like to check how you were last affected, and on what devices.
Smartphones, tablets, computers. All of your initial question A/v programs are good to a point but, some consume more resources on the computer.
And running more than one at a time is a definite Nono. It’s no longer just a question of viruses, but, malware and have you updated every background running process on your computer, tablet, phone, etc.
Froze
And yes, after long days/nights, I'd still like to swing these hunks of glass , plastic and silicon against the nearest wall Come on retirement!