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The hepatitis C virus (HCV) [3] is a small (55–65 nm in size), enveloped, positive-sense single-stranded RNA virus of the family Flaviviridae. The hepatitis C virus is the cause of hepatitis C and some cancers such as liver cancer ( hepatocellular carcinoma , abbreviated HCC) and lymphomas in humans.
For nucleic acid tests, like the viral load blood test, it can take anywhere from 10–33 days for the test to provide an accurate result. If an individual's first HIV test is positive, it is recommended for them to take a second test to confirm the results. If this follow-up test is also positive, an HIV positive diagnosis can likely be made. [14]
Rotavirus. A nucleic acid test (NAT) is a technique used to detect a particular nucleic acid sequence and thus usually to detect and identify a particular species or subspecies of organism, often a virus or bacterium that acts as a pathogen in blood, tissue, urine, etc. NATs differ from other tests in that they detect genetic materials (RNA or DNA) rather than antigens or antibodies.
Advocates say as many as 3.9 million people are living with chronic hepatitis C. Now doctors are using a new method to treat mothers before they pass the virus down to their children.
A 2010 review study by Puren et al. [2] categorizes viral load testing into three types: (1) nucleic acid amplification based tests (NATs or NAATs) commercially available in the United States with Food and Drug Administration (FDA) approval, or on the market in the European Economic Area (EEA) with the CE marking; (2) "Home–brew" or in-house NATs; (3) non-nucleic acid-based test.
Blood testing includes liver enzymes, serology (i.e. for autoantibodies), nucleic acid testing (i.e. for hepatitis virus DNA/RNA), blood chemistry, and complete blood count. [32] Characteristic patterns of liver enzyme abnormalities can point to certain causes or stages of hepatitis.
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