prof Crisanti Omicron is the sign of the end of the pandemicProf. Crisanti University Pisa Italy : as it seems based on the first data collected in South Africa, Omicron is responsible only for mild symptoms, this is the proof that the epidemic is over because it would be fueled by a variant that immunizes without causing damage. It would mean that the virus is evolving towards less virulence. So the emergence of this new strain is not necessarily a bad thing but a good news.