Sindicatul Județean „Solidaritatea Sanitară” GiurgiumRNA COVID-19 vaccine effectiveness against SARS-CoV-2 infection cdc.gov Interim Estimates of Vaccine Effectiveness of BNT162b2 and mRNA mRNA COVID-19 vaccine effectiveness against SARS-CoV-2 infectionmRNA COVID-19 vaccine effectiveness against SARS-CoV-2 infectionCiteste pe larg