Microbial assays or microbiological assays could be a sort of bioassays designed to analyse the compounds or substances that have impact on micro-organisms. They help to estimate concentration and efficiency of antibiotics. Also facilitate in determination of the simplest anti-biotic appropriate for patient recovery. This determination is feasible by immune assays for few diseases. Related Journals on Microbial Assays: Journal of Clinical Microbiology and Antimicrobials, Journal of Medical Microbiology & Diagnosis, Journal of Bacteriology & Parasitology, Mycobacterial Diseases, Journal of Plant Pathology & Microbiology, Clinical Microbiology, European Journal of Clinical Microbiology and Infectious Diseases, Journal of Clinical Microbiology, Journal of Clinical Microbiology United States.