By Reuters Staff1 Min ReadFILE PHOTO: A medical worker prepares a dose of the Pfizer-BioNTech" Comirnaty" vaccine against the coronavirus disease( COVID-19) in a vaccination center in Paris, France, July 23, 2021.... REUTERS/ Sarah Meyssonnier PRAGUE( Reuters)-The Czech government has approved plans to donate up to 2.39 million COVID-19 vaccines to countries in the Balkans, Africa and Asia by the end of 2021, a government official said on Monday.“ We will only be safe from coronavirus if we pro