When Kyle laughs at Cartman's misfortune, Cartman intentionally infects Kyle with his disease as well.

It has also been used in biological warfare agents and by terrorists to intentionally infect as exemplified by the 2001 anthrax attacks.

The WWW intentionally infects computer networks with computer viruses so as to hinder their normal operations and hack vital information.

Shilts portrays Gaëtan Dugas as having almost sociopathic behavior by allegedly intentionally infecting, or at least recklessly endangering, others with the virus.

Espionage: anyone can intentionally or unintentionally infect it with malware such as trojan horse or keylogger.

It is not that these men are intentionally infecting women.

It recommended that States enact laws providing that intentionally infecting others with HIV is a felony.

The States should have in effect laws providing that intentionally infecting others with HIV is a felony.

In the early 20th century, before antibiotics became available, Julius Wagner-Jauregg discovered that patients with syphilis could be treated by intentionally infecting them with malaria.

The tale is a romantic legend of revenge in which the aggrieved husband intentionally infects himself with syphilis, which he passes to the king through infecting his wife.