News Fact check: Though nasal test for COVID-19 swabs deep into the nose, nothing is implanted July 11, 2020 Camille Caldera, USA TODAY Comments Off on Fact check: Though nasal test for COVID-19 swabs deep into the nose, nothing is implanted A Facebook post questions why saliva tests used for COVID-19 are necessary, and falsely suggests they may be implanting something in the nose.