The Quellung (or Neufeld) reaction is the gold standard technique for serotyping Streptococcus pneumoniae (pneumococcus). This microscopic “precipitin test” can be used to identify pneumococci or to determine the capsular serotype of individual pneumococcal isolates. There […]
Two methods, thick and thin blood smear microscopy are regarded as the “gold standard” for the diagnosis of malaria. Quantitative Buffy Coat is another direct and rapid test for diagnosis of malaria. It is based […]
Bacillary dysentery also known as shigellosis is a bacterial disease caused by a group of bacteria called Shigella spp. Other bacterial causes of dysentery are, Vibrio parahaemolyticus, Enteroinvasive E.coli (EIEC), Enterohemrorrhagic E.coli (EHEC), Campylobacter spps, […]
Taeniasis is the parasitic infection of humans caused by adult tapeworm species; i.e. Taenia saginata (beef tapeworm), Taenia solium (pork tapeworm) or Taenia asiatica (Asian tapeworm). T. solium and T. saginata have a worldwide distribution but incidence is higher in developing […]
Fecal Microbiota Transplantation (FMT) also known as fecal bacteriotherapy or Intestinal Microbiota Transplantation (IMT), is a novel approach used to treat Clostridium difficile infections (CDI). It involves infusing intestinal flora via stool of healthy donor into the […]
Widal test is a milestone invention in medicine. This test was devised by Frank Widal in 1896. Widal originally described the test to diagnose Salmonella enterica serotype Paratyphi B infection. Patients infected with S. enterica […]
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