https://www.sivempveneto.it/la-variante-delta-e-la-piu-contagiosa-finora-emersa-e-provoca-quadri-patologici-non-osservati-finora-in-pazienti-covid-con-compromissione-delludito-gravi-disturbi-gastrici-e-coaguli-di-sangue-che-p/