Affiliation: | 1. Laboratory of Molecular Virology and Biological Chemistry, Institute of Medical Biology, Polish Academy of Sciences, Lodz, Poland;2. Department of Clinical Microbiology and Immunology, The Children's Memorial Health Institute, Warsaw, Poland;3. Department of Virology, Jagiellonian University Medical College, Cracow, Poland;4. 3rd Department of Pediatrics, Polish Mother's Memorial Hospital, Research Institute, Lodz, Poland |