A method for detecting at least one microorganism that may be present in a sample, comprising the steps of: a) bringing into contact, in a container: a culture medium that enables the growth and/or detection of microorganisms, said sample and a sensitized solid support; b) subjecting the whole to a temperature that promotes the growth and/or detection of microorganisms; and c) observing, in real time, the appearance of an agglutination indicating the presence of the microorganism(s) or confirming said presence when said microorganisms are detected in said culture medium, when step b) has been completed, and a method for detecting and identifying at least one target microorganism that may be present in a sample.