mold

There is an alien infested thing that acts like a zombie virus but it takes the form of greenish black mold So you wouldn't know you would just think that it was just some old mold you'll get rid of but soon it'll infect your family and your friends and your neighborhood them to be forever dammed to serve source of their hive mind and raise the fertilized egg the host produces, soon it will find a host one that will one that will reproduce all of its baby and it will be very painful for the host it will cover the hosts mouth with the cobweb shaped mold and it will slither an egg like object and the host is entangled in the mold like tentacles so he is trapped spread and repopulating this molds babies forever because the mold will uses its Infinite energy to regrow decay and age from the host's body. and once the egg is fertilized the host's body will force it out through the mouth or were the bladder comes through. make it skin crawling and detailed