Authors
JOANNA SIENNICKA
Department of Virology, National Institute of Public Health – National Institute of Hygiene, Warsaw, Poland
MILENA DUNAL-SZCZEPANIAK
Department of Virology, National Institute of Public Health – National Institute of Hygiene, Warsaw, Poland
AGNIESZKA TRZCIŃSKA
Department of Virology, National Institute of Public Health – National Institute of Hygiene, Warsaw, Poland
PAULINA GODZIK
Department of Virology, National Institute of Public Health – National Institute of Hygiene, Warsaw, Poland
MAGDALENA ROSIŃSKA
Department of Epidemiology, National Institute of Public Health – National Institute of Hygiene, Warsaw, Poland