In the show Jessica Jones, in the last two episodes Kilgrave takes steps to enhance his powers, which leads to him
being able to control people through phones, loudspeakers, tvs, and other electronic communication devices. He uses a phone call in the hospital, which is Jessica's first realization he can use electronic equipment. He then uses the broadcasting system and the televisions in the hospital to turn all of the hospital staff against Jessica, uses phone calls to control Luke Cage, and uses a microphone and sound system to take over a concert.
Given that we are told his powers work because he emits an air-borne virus that affects people near him, how does this make any sense at all? How does a (presumably) biological virus get transmitted electronically?