[Microbiological in-process control in drug manufacture].

The microbiological quality required of all pharmaceutical preparations necessitates raw materials and packing materials in perfect condition, and also attention to conditions of hygiene. It is also necessary to be in control of sources of contamination such as water, air, rooms, technical equipment and personnel. The paper examines the following points; the danger of contamination presented by the above sources, which conditions or recommendations exist for microbiological quality, and which methods are available for microbiological quality control within the framework of the production of drugs.