Currently there are about 165 different vaccines for COVID-19 being developed around the world. The main types of vaccines include vector, inactivated, nucleic acid-based (DNA and mRNA) and recombinant protein-based vaccines. Russian adenovirus vector-based vaccine was registered by the Russian Ministry of Health on August 11, 2020 and became the first registered COVID-19 vaccine on the market. HOW ADENOVIRAL VECTOR-BASED VACCINES WORK “Vectors” are vehicles, which can induce a genetic material from another virus into a cell. The gene from adenovirus, which causes the infection, is removed while a gene with the code of a protein from another virus…
Comments