A nurse prepares a dose of the Pfizer-BioNTech vaccine against COVID-19 at the vaccination center set up at the Cabanas Institute in Guadalajara, Jalisco state, Mexico, on March 21, 2021.  / AFP / Ulises Ruiz
A nurse prepares a dose of the Pfizer-BioNTech vaccine against Covid-19 at the vaccination center set up at the Cabanas Institute in Guadalajara, Jalisco state, Mexico. AFP 

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