4 1 10 POLISH SOCIETY OF MICROBIOLOGISTS SEPTEMBER 1, 2021, VOL. 60, ISSUE 3 mixed material POLISKIE TOWARZYSTWO MIKROBIOLOGOW 2021 cover_advancements-of-microbiology-polish-society-of-microbiologists-septe-20230126140442.jpg POLISH SOCIETY OF MICROBIOLOGISTS JUNE 1, 2021, VOL. 60, ISSUE 2 mixed material POLISKIE TOWARZYSTWO MIKROBIOLOGOW 2021 cover_advancements-of-microbiology-polish-society-of-microbiologists-june-20230126140151.jpg POLISH SOCIETY OF MICROBIOLOGISTS DECEMBER 1, 2021, VOL. 60, ISSUE 4 mixed material POLISKIE TOWARZYSTWO MIKROBIOLOGOW 2021 cover_advancements-of-microbiology-polish-society-of-microbiologists-decem-20230126141238.jpg POLISH SOCIETY OF MICROBIOLOGISTS MARCH 1, 2021, VOL. 60, ISSUE 1 mixed material POLISKIE TOWARZYSTWO MIKROBIOLOGOW 2021 cover_advancements-of-microbiology-polish-society-of-microbiologists-march-20230125150442.jpg