Help me get rid of viruses on my iphone today

You don't have 26 viruses on your phone, it is a scam message designed to get you to purchase unnecessary software.

Read more about it here -

Recognize and avoid phishing messages, phony support calls, and other scams - Apple Support

Stop going to the website that the message is on.

You do not have a virus on your phone. If you want to describe the problem you are having, I'm sure someone will help your to find a solution. There is no app that will fix a virus that you do not have. There are many that will take your money to fix a problem when they scare you into thinking you have a virus.

If you are seeing pop-up messages telling you that you have a number of viruses, ignore them. They’re all scams.

Post a screenshot of the warning on your phone. If it is happening while on the web, it is an advertisement trying to scare you into purchasing software or service for no reason.