Virus

If you received an email, message or telephone call about this, you do NOT

Avoid phishing emails, fake 'virus' alerts, phony support calls, and other scams - Apple Support

If you did not receive any of these, tell us why you think that you may have a virus

Why do you think you have a virus? And who would you like to call? Apple support? There is a link for support in the upper right corner and you can through a triage section before you are presented with options.