“Either this vaccine will be updated to all the various main variants, or else with this vaccine we will not have herd immunity, assuming it can be achieved.” So on Hello, on SkyTG24, Massimo Galli, director of the Infectious Diseases department of the ‘Sacco hospital. “If the virus is pressed a lot – said Galli -, but it is not cornered, as could happen with a mass vaccination done all together and with a truly effective vaccine, the virus pulls out of variants that appear randomly and start again, as if it were the game of the goose “.
