How can one protect against virus outbreaks in an organization? What are the common causes of this problems? How would use address this troublesome trend?

Virus outbreaks in an organization:

In an organization end user who uses the computer or laptop or workstation is not aware of virus outbreaks. So As IT administrator of an organization she/he has aware of latest virus attack and rectification solution before outbreaks.

Common causes for this virus outbreaks problem is update virus definition or database. Update operating system patches on regular basis.

Installation appropriate anti-virus in each workstation or desktop or laptop and scheduling virus scanning and take necessary steps.

To address and troubleshoot disconnect workstation and desktop or laptop from LAN. Uninstalled unnecessary software, delete temp folder contents.