Saliva test offers easier, cheaper diagnoses of liver diseas
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A newly developed “oral fluid” test could offer an easier, less expensive alternative for diagnosing Hepatitis E and may eventually help develop its treatment. It has even scored high on sensitivity and specificity parameters.
Currently, the only way to test for both recent and past hepatitis E is through a blood or stool test. However, the new saliva test is simple and accurate and does not require specially trained personnel for collection, the need to protect samples from heat, and sanitary disposal of needles — factors essential in a blood test, and affect timely diagnosis. It uses a different platform in which antigens are attached to fluorescent beads, which can circulate more easily through a liquid, potentially encountering more antibodies to a disease if they are present in saliva. It also allows for testing of a number of different antigen targets within the same saliva sample for multiple different infections.


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