From where do we get Viruses?

Hi,
I want to know how people can send virus to others?
Where can i get viruses?

yes i would like to send a virus to someone & id like to know to if anyone knows

Well we can't tell you where you can get viruses!
But you will get virus if you want on the web only!
Basically a virus is "a program that can 'infect' other programs by modifying them to include a possibly evolved copy of itself"