To avoid Computer Viruses to protect one computer to another computer.
http://www.wikihow.com/Avoid-Downloading-a-Virus-from-Limewire try that
To avoid getting viruses.
It has nothing to do with viruses unfortunately, and viruses are clever enough to escape from such drugs.
Polymorphic
Viruses can stay hidden by mutating frequently to avoid detection by the immune system. Some viruses can also enter a dormant state within host cells, making them hard to detect and target for treatment. Additionally, viruses can evade the immune response by altering their surface proteins to avoid recognition by antibodies.
Hidden viruses include rootkits, bootkits, and stealth viruses that hide their presence on a system to evade detection. Active viruses include file infectors, macro viruses, and polymorphic viruses that infect files or use different code patterns to avoid detection.
polymorphic virus
By using virus detection program or by not downloading or opening the attachment.
There are many ways that you can avoid viruses when downloading computer software. The first way is to ensure that you only download software from authorized websites. The next way is to ensure that you have proper anti-virus software.
to avoid development of resistance of strain of bacteria or viruses.
some antiviruses will scan the email, so download those