How effective are COVID–19 vaccines? While many COVID–19 vaccines have high levels of efficacy, none are 100% protective against the virus. None of the authorised COVID–19 vaccines nor any that are currently in development contain the live virus that causes COVID–19. Vaccines And RegulationHow are COVID–19 vaccines regulated and approved for use? Does the development of COVID–19 vaccines mean that the pandemic is over?

Source: The Nation February 08, 2021 09:33 UTC