How do you delete viruses on kaspersky?

What do you mean Delete viruses?

Once the scan is complete the program gives you quite a few options.

If it can be neutralised then the program will give you the option to do so,

If not it'll give you the option to delete it if the file is expendable,

or else you can quarantine it.

Then download he latest Virus Update and repeat the process,also check the kaspersky forums if some files need special attentian,some users there are real geniuses!