The Impact of a Single Educational Lecture on the Vaccine Confidence among Pregnant Women and Young Mothers.

Background: We investigated the impact of a single unstructured educational lecture about vaccinations on the vaccine confidence in volunteer participants.

Methods: We conducted a survey-based study during a series of open meetings related to pregnancy and parenting. Before and after the pediatrician's lecture related to vaccinations, listeners completed the visual analogue scales (VAS, 0-15 cm), evaluating (1) self-declared knowledge on vaccinations and (2) how they perceive the safety and efficacy of this preventive method.

Effectiveness of vaccination against influenza in HIV-infected pediatric patients in the 2016-2017 epidemic season.

Background: Pediatric patients infected with the human immunodeficiency virus (HIV) are at risk of developing severe influenza. Vaccination against influenza in HIV (+) children in Poland is recommended and free of charge. The aim of the study was to evaluate the effectiveness of influenza vaccination in this group of patients.