17 Febr. 2022. As part of the “Strategy to Achieve Global COVID-19 Vaccination by mid-2022”, global targets of 40% population coverage by end of 2021 and 70% coverage by June 2022 have been set by the World Health Organization (WHO), to successfully prevent severe illness and deaths, minimize social disruption and economic consequences of COVID-19, curtail the emergence of new SARS-CoV-2 variants of concern (VOCs) and ultimately control the pandemic.