| American Society for Microbiology: Conferences, journals, public policy and funding issues, topical reports, and links. |
| European Society of Clinical Microbiology and Infectious Diseases: ESCMID's objectives are the promotion of training and research in the laboratory and good practice in the clinical management of infection. |
| Federation of European Microbiological Societies: Devoted to the promotion of microbiology in Europe. FEMS is linking 42 microbiological societies. |
| Scottish Microbiology Society: A scientific and social forum for microbiologists based in Scotland. |
| Society for Anaerobic Microbiology: The Society is interested in all anaerobic microbiology research, from any environment. Membership is open to anyone with an interest in anaerobic microbiology. |
| Society for Applied Microbiology: The oldest microbiological society in the UK, with more than 1700 members worldwide. It is dedicated to advancing the science of microbiology. |
| Society of Protozoologists: Information about protists, protozoa, and activities of the organization. |
| The Biofilm Club: The Biofilm Club is a society for the discussion of the properties, development and ecology of bacterial, fungal and multispecies biofilms. |
| The Biofilm Institute: The Biofilm Institute is a non-profit, public-benefit corporation dedicated to providing information and education about microbial biofilms. |
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