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Salmonella Serotyping Serotyping is a type of epidemiological marker. It works on the principle of agglutination. agglutination or clumping: Positive No agglutination or clumping: Negative On this basis, Salmonella can differentiate whether Salmonella enterica serotype Typhi or Paratyphi and so on. Serotype O antigen Salmonella enterica serotype Typhi ( …
Introduction Cholera is an infectious disease that is caused by the Gram-negative bacterium, Vibrio cholerae. It is responsible for severe watery diarrhea, which can lead to dehydration and even death if untreated. Cholera occurs due to eating food or drinking water contaminated V. cholerae. 13 …
Introduction of Biochemical Test of Gram-Negative Bacteria Gram-negative bacteria are the most common etiological agents which are responsible for bacterial infections as well as viral co-infections. Clinical Microbiology Laboratory generally becomes busy due to those isolates. The need for ‘Biochemical Test of Gram-Negative Bacteria’ is …