Spain could develop 'COVID-19 herd immunity' by end of summer 2021
Spain's Health Minister Salvador Illa said that the country's population should achieve herd immunity from COVID-19 by the end of summer 2021 if enough people are vaccinated by then. A vaccination programme will start in January, he added. By the end of summer 2021, more than two-thirds of the population of over 4.7 crore should be vaccinated, Illa further said.