Question

generically engineered viruses and parasite and bacteria

Answer 1

bacteriophage. Even bacteria can have viral infections! Phage, or bacteriophage, are viruses that infect and replicate inside bacteria. Once attached to a bacteria, phages insert their genetic material into their host

Answer 2

T-VEC is a modified form of herpes virus which multiplies inside cancer cells and bursts them from within. It has been genetically engineered to produce a molecule called GM-CSF, which stimulates the immune system to attack and destroy the tumour.

bacterium Escherichia coli to produce synthetic "human" insulin

Scientists want to use a genetically modified malaria parasite as a vaccine against the ... “[The viruses] were passed through tissue or tissue culture