NEW: Pfizer and Moderna Covid-19 vaccines offer protection against COVID-19 for six months; booster shots will likely be needed after six months – ABC 7 Chicago
— Breaking911 (@Breaking911) April 10, 2021
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NEW: Pfizer and Moderna Covid-19 vaccines offer protection against COVID-19 for six months; booster shots will likely be needed after six months – ABC 7 Chicago
— Breaking911 (@Breaking911) April 10, 2021