Researchers have reported that testing of oropharyngeal secretions may reduce the number of false negative results i.e. when a person carrying a pathogen tests negative.
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False negatives have been reported several times during the Covid-19 pandemic. These results have come up during nasal swab testing of patients who have seemingly recovered from the disease — but have later been found to be still carrying the virus.
Now, researchers have reported that testing of oropharyngeal secretions — secretions from the part of the throat at the back of the mouth — may reduce the number of false negative results. They have published their findings in the Journal of Dental Research.
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