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Why do I need two doses of the Pfizer and Moderna vaccines? pacastcms 0:56 3 years ago 147 Далее Скачать
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COVID-19: 2 doses of Pfizer vaccine protects 70% against hospitalization from Omicron, study shows Global News 3:08 2 years ago 7 047 Далее Скачать
Why are there 2 doses of the Pfizer and Moderna vaccine? WLKY News Louisville 0:44 3 years ago 228 Далее Скачать
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