Rotavirus is an important cause of childhood gastroenteritis resulting in dehydration, hospital admission and nosocomial infections. False negative antigen tests may lead to further unnecessary ...

Serological techniques: the card agglutination test for trypanosomiasis (CATT) This image shows the results of a CATT performed on diluted serum. Test area 1 is the positive control; test area 7 is ...

This is a preview. Log in through your library . Abstract 1. A method of microscopic agglutination is described in which the organisms are smeared with the serum on a slide, allowed to dry rapidly, ...

From the Pathology Laboratories of the Massachusetts General Hospital. Read before the Boston Pathological Society, May 7, 1934. Van Ravenswaay, A. C. — Assistant in Medicine, Washington University ...

Immunologic tests, on the other hand, are simple to perform, generate immediate results, and should be useful for prevalence studies because of the homogeneity of the method. The objective of this ...

Antigens are substances that induce an immune response. They can be microorganisms (bacteria, viruses, and fungi), toxins, foreign blood cells pollen, or some chemicals. They are perceived as being ...