Albert Bourla, director ejecutivo de la farmacéutica estadounidense Pfizer, estimó que «dentro de un año» el mundo volverá a la normalidad después de la pandemia del covid-19.
Asimismo Bourla subrayó que el escenario más probable es que aparezcan nuevas mutaciones del SARS-CoV-2, y cree que el programa anual de vacunación contra el coronavirus se convertiría en una «norma».
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