Authors
WALDEMAR RASTAWICKI
Department of Bacteriology, National Institute of Public Health – National Institute of Hygiene, Warsaw, Poland
KAMILA FORMIŃSKA
Department of Sera and Vaccines Evaluation, National Institute of Public Health – National Institute of Hygiene, Warsaw, Poland
ALEKSANDRA A. ZASADA
Department of Sera and Vaccines Evaluation, National Institute of Public Health – National Institute of Hygiene, Warsaw, Poland