A simple quick search at the link you provided for "antivirus for Linux" came up with this page of links at
http://www.freevirussoftware.com/
Linux Anti Virus
Astaro security gateway protects 25,000 corporate networks. PC magazine editor's choice. Free trial available.
www.astaro.com
Antivirus for Linux
Multi-layered anti-viral defense blocks W32, sober z and other viruses at the network perimeter.
www.mxlogic.com
Linux Antivirus
Try Eset's award winning Nod32 Antivirus software. Stops viruses, worms, trojans, malware, spyware, adware and phishing threats. Better protection, better performance, better price.
www.eset.com
Certified Linux Based Anti Virus
SafeInternetEmail is a Check Mark Certified Debian based server for virus protection and SPAM control based on technology used by the US DOD and various federal security agencies.
www.freestonesoftware.com
Corporate Linux-Based Anti-Virus
Protect your company's network from harmful viruses. Remote administration. Easy to install and manage. All-in-one firewall with anti-virus, spam protection and URL content filter.
www.astaro.com
More (link for second page) A more extended search sees:
http://infospace.abcnews.com/_1_2TCK...%2Bfor%2Blinux