Vaccination consists of appealing the immune system with a contagious agent, or components of a contagious agent, modified in such a manner that there is no harm or disease, but securing that when the host is resisted with that contagious agent, the immune system can appropriately neutralize it before it causes any illness #Genetic Vaccines  #WORLD CELL THERAPY 2023 #Contact Info: genetherapy@euroconferences.net | +44 1303610264