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Introduction of Cryptosporidium Cryptosporidium is a coccidian parasite that causes diarrhea called Cryptosporidiosis. It was discovered by medical parasitologist, Ernest Edward in 1907. Human infection caused by Cryptosporidium parvum was seen in 1976. The clinically important species of this genus are C. parvum, C. mammals, …
Introduction of ADA (Adenosine Deaminase) Test ADA (Adenosine Deaminase) Test is very useful for suspicious cases of tuberculosis, increased levels of ADA could facilitate diagnosis. ADA is an enzyme that primarily functions in our body in the development and maintenance of the immune system that catalyzes the …
Introduction of Biochemistry Tests Biochemistry Tests are the most common clinical laboratory tests used by clinicians to diagnose the pathological conditions of patients. For example, some tests and their clinical significances are as follows- Group of Biochemistry Tests This grouping system has been brought into …
Introduction of Vibrio cholerae Serotyping Vibrio Serotyping helps to differentiate serotypes of Vibrio. Serotypes refer to separate groups within a species of microorganisms that all share a similar property. More specifically, each serotype has the same number of antigens on its surfaces. For example, V.cholerae O1 serovar Inaba, V. cholerae O1 serovar …
Introduction of Haemophilus Serotyping Haemophilus Serotyping helps to differentiate serotypes of Haemophilus influenzae. Serotypes refer to separate groups within a species of microorganisms that all share a similar property. More specifically, each serotype has the same number of antigens on its surfaces. For example, encapsulated strains of Haemophilus influenzae may …
Introduction of Shigella Serotyping Shigella Serotyping helps to differentiate serotypes of Shigella. Serotypes refer to separate groups within a species of microorganisms that all share a similar property. More specifically, each serotype has the same number of antigens on its surfaces. For example, Shigella flexneri serotype 1, 2, 2a, S. sonnei, and S. …
Introduction of Widal Test The Widal test is an agglutination test employed in the serological diagnosis of enteric fever. It is also applicable in febrile agglutinin tests. The test is named after Georges Fernand Isidore Widal, a French physician and bacteriologist. Salmonella antibody starts appearing in the …
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 ( …