To the best of this author's knowledge, the set is limited to KAK and its variants. This virus used a 'feature' of Outlook and Outlook Express which enabled an e-mail to make Visual Basic scripting calls. I run on a Mac. All my PC friends are talking about this virus. Most likely not.
Viruses are programs.
Macintosh computers are not compatible at the program level with PCs running Windows. I heard that there is a virus in Microsoft Word. Templates were a feature introduced with the release of Word 6.0 to automatically perform editing functions on all your documents. If you've received an unexpected attachment and are really tempted to open it, don't. But if you absolutely cannot resist, check the file extension of the attachment.