![PDF) Factors Influencing Level and Persistence of Anti SARS-CoV-2 IgG after BNT162b2 Vaccine: Evidence from a Large Cohort of Healthcare Workers PDF) Factors Influencing Level and Persistence of Anti SARS-CoV-2 IgG after BNT162b2 Vaccine: Evidence from a Large Cohort of Healthcare Workers](https://i1.rgstatic.net/publication/359373432_Factors_Influencing_Level_and_Persistence_of_Anti_SARS-CoV-2_IgG_after_BNT162b2_Vaccine_Evidence_from_a_Large_Cohort_of_Healthcare_Workers/links/6243338157084c718b743b31/largepreview.png)
PDF) Factors Influencing Level and Persistence of Anti SARS-CoV-2 IgG after BNT162b2 Vaccine: Evidence from a Large Cohort of Healthcare Workers
![Italian”: the new “Italia contemporanea” series – Ministero degli Affari Esteri e della Cooperazione Internazionale Italian”: the new “Italia contemporanea” series – Ministero degli Affari Esteri e della Cooperazione Internazionale](https://www.esteri.it/mae/resource/img/2021/05/italia_contemporanea_2.jpeg)
Italian”: the new “Italia contemporanea” series – Ministero degli Affari Esteri e della Cooperazione Internazionale
![Italian”: the new “Italia contemporanea” series – Ministero degli Affari Esteri e della Cooperazione Internazionale Italian”: the new “Italia contemporanea” series – Ministero degli Affari Esteri e della Cooperazione Internazionale](https://www.esteri.it/mae/resource/img/2021/05/italia_contemporanea_1.jpeg)