The Delta variant raised concern regarding its ability to evade SARS-CoV-2 vaccines. We evaluated a serum neutralizing response of 172 Italian healthcare workers. three months after complete Comirnaty (BNT162b2 mRNA. BioNTech-copyright) vaccination. https://safeersappliancers.shop/product-category/aeg-iae84851fb-80cm-sensefry-maxisense-induction-hob/