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Continue to ChatVaccini, Israele: Pfizer il 30% meno efficace contro la variante Delta - https://www.radiodolomiti.com/vaccini-israele-pfizer-il-30-meno-efficace-contro-la-variante-delta/
Vaccini, Israele: Pfizer il 30% meno efficace contro la variante Delta - https://www.radiodolomiti.com/vaccini-israele-pfizer-il-30-meno-efficace-contro-la-variante-delta/