Today on (May 17, 2023) in the presence of the head of departments and lecturer a symposium entitled (Biofilms), was presented by the Lecturer (Dr.  Mervan Yousif Huseyin) from the medical laboratory department,where it has been explained about the Biofilms: the importance and disadvantages , it is very important to know about biofilms and it's effects, At the end of the symposium a set of questions and answers were raised on this subject