When performing actions between your computer and one that is infected with a virus which can you do that will have no risk of your computer becoming infected?

It's important to keep your computer's anti-virus software up to date. Do not include an infected computer within your network sharing protocol as this increases the chances that yours will get infected via network. Next is always scan drives especially removable ones before you access them via your computer. Keeping an active and updated antivirus software is key.