<prompt> The first cell culture vaccine wasHuman diploid cell HDC vaccineLow egg passage LEP vaccinePurified chick embryo cell PCEC vaccinePurified vero cell PVC vacccine  <response>: An inactivated rabies vaccine for human use was first prepared in cell culture. It was shown that the human diploid cell HDC strain WI-38 was a suitable substrate for the propagation of the Pitman-Moore PM strain of fixed rabies virus. Ref : Ananthanarayana textbook of Microbiology 9th edition Pgno : 534 