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Category: Virology

link to Hepatitis B Virus: Structure, Pathogenesis, and Diagnosis

Hepatitis B Virus: Structure, Pathogenesis, and Diagnosis

A neonate develops yellowish eyes and skin after a month of life. When screened for hepatitis, the neonate is positive for hepatitis B infection, possibly by transmission from the mother. Hepatitis...

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link to Hepatitis A Virus: Structure, Pathogenesis, and Diagnosis

Hepatitis A Virus: Structure, Pathogenesis, and Diagnosis

Inflammation of hepatocytes (liver cells) is termed hepatitis. The major cause of hepatitis is a viral infection but other causes include excessive consumption of alcohol, toxins, different...

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link to Virus: Properties, Diseases, and Lab Diagnosis

Virus: Properties, Diseases, and Lab Diagnosis

Viruses are genetic elements that cannot replicate independently of a living host cell. Host cells provide energy and metabolic intermediates needed for the replication and synthesis of viral...

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link to Ct Value in SARS-CoV-2 RT-PCR

Ct Value in SARS-CoV-2 RT-PCR

The cycle threshold (Ct) can be defined as the thermal cycle number needed to amplify viral RNA at which the fluorescent signal exceeds that of the background and thus passes the threshold for...

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link to 5 Most Dangerous Viral Infections In History

5 Most Dangerous Viral Infections In History

We have come to a time when everyone is afraid, and the economy is greatly affected due to a viral infection we refer to as COVID-19 or coronavirus. The coronavirus outbreak has paved the way for the...

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link to Antigen Testing for COVID-19: Principle, Procedure, Results

Antigen Testing for COVID-19: Principle, Procedure, Results

The SARS-CoV-2 viral antigen is generally detectable in nasopharyngeal swab specimens during the acute phase of infection. Most of the currently available antigen testing devices for the diagnosis of...

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