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: Monika Adamczyk-Popławska, Abrar Ahmad, H. Alizade, Aleksandra Banaszkiewicz, Wiesław Barabasz, Sulagna Basu, Wojciech Białas, Anna Bielenica, Katarzyna Brzostek, ...