Acta Microbiologica Bulgarica is an international, peer-reviewed scientific journal issued by the Bulgarian Society for Microbiology (Union of Scientists in Bulgaria). The journal publishes high-quality research and notable debates on significant scientific problems on microbiology. The main topics cover all areas of general, medical and environmental microbiology, applied microbiology and microbial biotechnologies, virology, food control, infectious immunology, and other related aspects. The journal publishes reviews, original research works, short communications, letters to the editor, scientific events, In memoria, etc. The publication of Acta Microbiologica Bulgarica dates back to 1978. After a break in 1993, its existence was restored in 2015 with the same name, cited in Index Medicus and Medline. From 2015 the journal is available both in printed and online editions. The journal is open access.