December 21 local time, WHO held a regular press conference on COVID-19. Michael Ryan, head of the WHO Health Emergency Project, said that there have been many mutations in the past few months, some of which have driven the spread of the novel coronavirus, but none of them can lead to more serious diseases or It can escape diagnosis and not affect the effectiveness of the vaccine.
Countries have now taken preventive measures and are on the highest level of vigilance, and many countries have set travel restrictions. Governments are very cautious about any mutation and study its potential impact.
As the holidays approach, everyone must stop the spread of COVID-19.