WHO: Europe’s vaccination program is ‘unacceptably slow’

General practitioner Gyorgy Teleki vaccinates a patient with the second dose of COVID-19 vaccine produced by Chinese Sinopharm in Taplanszentkereszt, Hungary, Thursday, April 1, 2021, as the national vaccination campaign against the new coronavirus continues in the country. (Istvan Filep/MTI via AP)

LONDON — European nations’ immunization campaigns against COVID-19 are “unacceptably slow” and risk prolonging the pandemic, a senior World Health Organization official said Thursday.