International Microorganism Day
International Microorganism Day (IMD) is an initiative coordinated by FEMS, originally launched by the Portuguese Society for Microbiology (SPM) in 2017. Since then, International Microorganism Day has been celebrated on the 17 September. On this date back in 1683, Antonie van Leeuwenhoek reported the first description of a single-celled organism with his letter to the Royal Society of London. This is an initiative which aims to raise awareness about the importance of microorganisms and microbiology research among the general public and microbe enthusiasts.
IMD is represented by four mascots, Bak, Saca, Gillus and Rizzo, which were created to highlight further beneficial roles of microbes in our daily lives.

Previous editions of IMD celebrations involved in-person activities, online activities and 24-hour live streams with participants and events around the globe.
You can follow #InternationalMicroorganismDay on their social media (@IntMicroDay): Twitter, Facebook, Instagram, LinkedIn or YouTube.
IMD has also its own blog section, where microbiology enthusiasts share their expertise in a simplified way so microbiology can be accessible to all!
We have also created 4 Education Resources that can be used by teachers and for scientific outreach, including, Winogradsky Column, Sourdough Bread, Making Yogurt and Making Agar plates.
IMD has also commissioned its own Women in Microbiology Illustrations featuring 10 Women Microbiologists that made incredible discoveries. You can also check out this article Celebrating 8 Black Microbiologists Throughout History.
Every year, we also organize a Microbe Art Contest to celebrate IMD in a creative way.
If you would like to take part in future IMD celebrations, don’t hesitate to get in touch with us!
FEMS Microbes is excited to present its latest thematic issue, focusing on bacterial-viral co-infections. Host and microbial factors are critically important for influencing the severity and outcome of infection. Interactions between microbes is an understudied yet important aspect to this process.