1728-59171728-5917S1728-5917202000010000310.35663/amp.2020.371.909ColombiaPerúColombiaColombiaColombiaColombiaChileArgentinaBrasilParaguayBoliviaPerúPerúPeruArgentinaUruguayUSAVenezuelaVenezuela000120200001202037137202024332020101567202033101578202028113-5202010157520201015662020332220201-620203951022310223507-1320203951022310223497-50620201-320202033279-8020204117-82020202010163020201016132020101573Center for Disease Control and Prevention2019201920201016042020