Hepatitis C virus

Hepatitis C virus (HCV) : Method of Transmission, Laboratory diagnosis and Management

Hepatitis C virus is single stranded belonging to the flaviviridae family to which flaviviruses such as yellow fever and dengue belong. Hepatitis C virus has one serotype with at least 6 different genotype which are…

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Polymerase chain reaction

Polymerase Chain Reaction: Principle, Steps and Application

Cell culture has proven effective in the identification process of infectious pathogens and remains the goal standard for identification despite it numerous shortcomings such as the fact that it is time consuming. That is, having…

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Poliovirus : Structure , Pathogenesis and Treatment

Poliovirus are from the family Picornavirus and the Enterovirus genus. Poliomyelitis is caused by one of the three types of polioviruses. It is an acute infectious diseases with or without signs of CNS involvement. It…

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Enterovirus : Structure, Types and Clinical syndromes

The genus of Enterovirus belongs to the family of Picornavirus. Enteron means small intestine and is the main replication site for most enteroviruses while PicoRNAvirus are RNA viruses. Therefore, enteroviruses are RNA viruses and Picornaviruses…

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Fasciolopsis buski : Epidemiology, Laboratory Diagnosis & Treatment

Fasciolopsis buski commonly called large or giant intestinal fluke causing Fasciolopsiasis. It was first describe by Buski in 1843 in the duodenum of an East Indian sailor. It is found worldwide but limited to particularly…

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Candida albicans : Epidemiology, Pathogenesis, Laboratory Diagnosis & Treatment

Candida species are group of opportunistic fungi and the most common fungi pathogens that affect human. Candida species takes advantage of the host’s debilitated conditions to gain access to the circulation and deep tissues.  …

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Thiosulfate citrate bile salts sucrose agar : Principle , Composition & Cultural characteristics

Kobayashi et al.  created TCBS Agar by modifying Nakanishi’s selective medium. Although this medium was designed to isolate V.cholerae and V. parahaemolyticus, most Vibrio’s grow to healthy large colonies with a variety of colonial morphologies….

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mycoplasma pneumoniae

Mycoplasma pneumoniae : Epidemiology , Pathogenesis , Laboratory Diagnosis and Treatment

Mycoplasma pneumoniae is the most common cause of upper respiratory tract disease. It has also been linked to walking pneumonia and primary atypical pneumonia. Epidemiology of Mycoplasma pneumoniae M. pneumoniae infection is found all over…

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List of infections caused by Mycoplasma and Ureaplasma species

Mycoplasma is a member of the Mollicutes class (mollis, soft; cutis, skin) and the Mycoplasmatales order. This order is divided into four families: Mycoplasmataceae Acholeplasmataceae Spiroplasmataceae Anaplasmataceae. The majority of mycoplasmas that cause human infections…

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Alkaline Peptone Water : Principle, Composition and Cultural …

Clinical materials containing a small number of Vibrio should be inoculated into an enrichment medium before plating onto a selective medium, such as TCBS Agar. Alkaline Peptone Water is an excellent enrichment broth for Vibrio…

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