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"These results show that nasal washing is more comfortable than nasopharyngeal swabbing and is also more likely to detect potential pathogens." https://t.co/llviviX4HJ
"These results show that nasal washing is more comfortable than nasopharyngeal swabbing and is also more likely to detect potential pathogens." https://t.co/llviviX4HJ
@LogannnnnnnnnWm Ignore this, I've just looked it up. It seems that the nasopharyngeal aspirate (NPA) tests have been around for quite a long time pre COVID as indicated by this paper from 2011 comparing NPA with nasal wash for PCR test sample collection.