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- Delta variant, ministry circular: complete vaccination cycle, a single dose does not protect Rai News
- G20, two Chinese vaccines: “Zero antibodies, it is Delta variant” Live Sicilia
- Delta variant, the ministry on the vaccine: “The only defense is both doses” Corriere della Sera
- How is the delta variant transmitted, who risks more, are vaccines effective? Questions and answers on how the virus changes The Messaggero Veneto
- View full coverage on Google News