Stryczyńska-Kazubska, Joanna, Ilona Małecka, Maria Biskupska, Bartosz Bilski, Dorota Pietrzycka, and Jacek Wysocki. 2017. “Can a Healthcare Worker Be a Source of an Infection of a Patient – a Risk of Transmitting the Chickenpox and Shingles Virus VZV by the Staff of Hospital Wards – Preliminary Research Findings”. Journal of Medical Science 86 (1):30-35. https://doi.org/10.20883/jms.2017.128.