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Continue to ChatVaccino, lo studio: Sputnik più efficace di Pfizer contro Omicron https://www.larampa.news/2022/01/vaccino-studio-sputnik-efficace-pfizer-contro-omicron/
Vaccino, lo studio: Sputnik più efficace di Pfizer contro Omicron https://www.larampa.news/2022/01/vaccino-studio-sputnik-efficace-pfizer-contro-omicron/