See also adeno-associated viruses, which can only replicate in a cell which has been infected by another virus: https://en.wikipedia.org/wiki/Adeno-associated_

See also adeno-associated viruses, which can only replicate in a cell which has been infected by another virus: https://en.wikipedia.org/wiki/Adeno-associated_virus#Infection_cycle https://en.wikipedia.org/wiki/Adeno-associated_virus#Infecti...