In a word, no. If you disable or remove your antivirus, you're not only making your computer instantly vulnerable to millions of threats, but you also will no longer be able to connect your machine to any HSU network.
All commercial antivirus software lets you configure the system to download updates automatically as soon as they're available. You should also make sure your operating system and any applications you use regularly (especially browsers and media players) are set to alert you whenever updates are available. The Technology Help Desk can assist you with this if necessary.
A number of popular antivirus programs meet the requirements for securely logging into and using campus networks. A list of these programs, with links for convenient downloading, is available on the ITS website.