Scientists from the Institute of Biochemistry of Plants (Irkutsk), Institute of Chemical Biology and Scientific Centre of Virusology and Biotechnology (“Vector”) (Novosibirsk) devised eatable transgenic tomatoes that can serve as vaccines against Hepatitis and AIDS.This vaccines have already been tested on animals and yielded positive results. According to Sergei Schelkunov, head of the department of molecular biology of genomes from the Scientific Centre of Virusology and Biotechnology, after being fed a portion of transgenic tomatoes three times a day, lab mice began showing positive signs of improvement of immune response towards hepatitis B and a less pronounced but also effective towards HIV.