[Effectiveness of the first dose of BNT162b2 vaccine to preventing covid-19 in healthcare personnel.].

Objective: A first protective dose of vaccine may allow delaying the second dose in a context of low supply. The objective is to assess the effectiveness of a single dose of vaccine against SARS-CoV-2 (BNT162b2) after twelve days of its administration in healthcare personnel (HCP) of a Health Department.

Methods: A case-control study was made.

Frequency, Associated Risk Factors, and Characteristics of COVID-19 Among Healthcare Personnel in a Spanish Health Department.

Introduction: This study examines the frequency, associated factors, and characteristics of healthcare personnel coronavirus disease 2019 cases in a healthcare department that comprises a tertiary hospital and its associated 12 primary healthcare centers.

Methods: This study included healthcare personnel that showed symptoms or were in contact with a coronavirus disease 2019 case patient from March 2, 2020 to April 19, 2020. Their evolution and characteristics (age, sex, professional category, type of contact) were recorded.