I've never gotten a virus from downloading from any torrent site, just use your mind in choosing what you're gonna download, choose trusted uploaders and look in the comments like ay said
Check for a jolly roger next to the uploader's username. If there's no jolly roger, don't trust them. If there's the jolly roger, then it's clean and trustworthy. It takes the most minimal amount of effort to avoid viruses on tpb.