http://thebottomline.as.ucsb.edu/2012/04/mac-virus-infects-over-half-a-million-computers
Widespread Virus Proves Macs Are No Longer Safe From Hackers
http://bits.blogs.nytimes.com/2012/04/06/widespread-computer-virus-indicates-mac-users-no-longer-safe/
Mac Virus Infects Over Half A Million Computers
So basically.. All of them?