Which among the following hosted 'Global Vaccine Summit' on 4th June, 2020?

উত্তর দেখান ও ব্যাখ্যা

উত্তর: (A) United Kingdom

ব্যাখ্যা

The UK hosted the virtual Global Vaccine Summit on 4 June 2020, raising $8.8 billion for Gavi, the Vaccine Alliance.