The Editors of Polish Journal of Microbiology wish to express their gratitude to following scientists from various fields of microbiology, who have reviewed the manuscripts submitted to our Journal in the past year: Mohammed Ali, Ewa Augustynowicz – Kopeć, Jadwiga Baj, Renata Bancerz, Wiesław Barabasz, Marek Bartoszewicz, Andrea Battistoni, Anna Baturo Cieśniewska, Antonio Bev...