{"id":5716,"date":"2021-07-22T20:00:07","date_gmt":"2021-07-22T16:00:07","guid":{"rendered":"https:\/\/www.rivistazoom.it\/?p=5716"},"modified":"2021-07-22T18:10:32","modified_gmt":"2021-07-22T16:10:32","slug":"covid-19-2-dosi-di-pfizer-e-astrazeneca-proteggono-anche-dalla-variante-delta","status":"publish","type":"post","link":"https:\/\/www.rivistazoom.it\/index.php\/2021\/07\/22\/covid-19-2-dosi-di-pfizer-e-astrazeneca-proteggono-anche-dalla-variante-delta\/","title":{"rendered":"Covid-19: 2 dosi di Pfizer e AstraZeneca proteggono anche dalla variante Delta"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"735\" height=\"416\" src=\"https:\/\/www.rivistazoom.it\/wp-content\/uploads\/2021\/07\/IMMAGINE-COPERTINA.jpg\" alt=\"\" class=\"wp-image-5714\" srcset=\"https:\/\/www.rivistazoom.it\/wp-content\/uploads\/2021\/07\/IMMAGINE-COPERTINA.jpg 735w, https:\/\/www.rivistazoom.it\/wp-content\/uploads\/2021\/07\/IMMAGINE-COPERTINA-300x170.jpg 300w\" sizes=\"(max-width: 735px) 100vw, 735px\" \/><\/figure>\n\n\n\n<p class=\"MsoNormal\">Ulteriori novit\u00e0 riguardo il Covid-19 e la sua ultima mutazione, la variante Delta, nuova antagonista pandemica di questo periodo da cui nessuno ancora pu\u00f2 ritenersi completamente libero. Un altro passo \u00e8 stato fatto: sia il vaccino Astrazeneca che quello Pfizer fungono da scudo anche per quest\u2019altro temuto nemico. Giunge un monito: per far s\u00ec che questo accada, devono essere somministrate due dosi. \u00c8 quanto dichiarato dai dati raccolti da Public Health England, i quali sono stati successivamente pubblicati sul New England Journal of Medicine. Specificamente, con due dosi di vaccino Pfizer l\u2019efficacia raggiunge l\u201988%, contro il 93,7% della Alfa. Con due dosi di AstraZeneca, invece, l\u2019efficacia raggiunge il 67% contro il 74,5% della Alfa. Purtroppo, lo studio ha altres\u00ec evidenziato che una sola dose non basta, in quanto, l\u2019efficacia per entrambi i vaccini si fermerebbe al 30%. Scrivono: \u201c<em>Sono state notate solo differenze modeste nell\u2019efficacia del vaccino con la variante delta rispetto alla alfa dopo le due dosi. Le differenze sono molto pi\u00f9 marcate dopo aver ricevuto una dose singola. Questi dati supportano gli sforzi per massimizzare la diffusione della vaccinazione completa tra le popolazioni vulnerabili<\/em>\u201d. Sia questo il momento chiave per dare una svolta alla corsa alle vaccinazioni, sperando che il flusso di sensibilizzazione, scoperta ed incentivazione possano portare la maggioranza della popolazione ancora non vaccinata, a farlo.<\/p>\n\n\n\n<p class=\"MsoNormal\">Per il bene di ognuno di noi.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-1 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" width=\"950\" height=\"684\" src=\"https:\/\/www.rivistazoom.it\/wp-content\/uploads\/2021\/07\/IMMAGINE-ARTICOLO-4.jpg\" data-id=\"5715\" class=\"wp-image-5715\" srcset=\"https:\/\/www.rivistazoom.it\/wp-content\/uploads\/2021\/07\/IMMAGINE-ARTICOLO-4.jpg 950w, https:\/\/www.rivistazoom.it\/wp-content\/uploads\/2021\/07\/IMMAGINE-ARTICOLO-4-300x216.jpg 300w, https:\/\/www.rivistazoom.it\/wp-content\/uploads\/2021\/07\/IMMAGINE-ARTICOLO-4-768x553.jpg 768w\" sizes=\"(max-width: 950px) 100vw, 950px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p class=\"has-text-align-right\">Articolo a cura di <em>Alessandro Bonetti<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ulteriori novit\u00e0 riguardo il Covid-19 e la sua ultima mutazione, la variante Delta, nuova antagonista pandemica di questo periodo da<\/p>\n<div class='the_champ_sharing_container the_champ_vertical_sharing the_champ_hide_sharing the_champ_bottom_sharing' style='width:44px;left: -10px;top: 100px;-webkit-box-shadow:none;box-shadow:none;' data-super-socializer-href=\"https:\/\/www.rivistazoom.it\"data-super-socializer-no-counts=\"1\"><div class=\"the_champ_sharing_ul\"><a style=\"font-size:24px!important;box-shadow:none;display:inline-block!important;font-size: 16px;padding: 0 4px;vertical-align:middle;display:inline;\" class=\"theChampSharingRound\"><span class=\"the_champ_square_count\">&nbsp;<\/span><div style=\"width:70px;height:35px;margin-bottom:9px !important;\" title=\"Total Shares\" 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