Municipal health workers travel on a boat along the Solimoes river banks to administer the Oxford-AstraZeneca coronavirus vaccine in Manacapuru, Amazonas state, Brazil on February 1, 2021.
Municipal health workers travel on a boat along the Solimoes river banks to administer the Oxford-AstraZeneca coronavirus vaccine in Manacapuru, Amazonas state, Brazil on February 1, 2021. REUTERS/Bruno Kelly