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Few individuals who have undergone nasopharyngeal swabs for coronavirus testing would describe it as a pleasant experience. The procedure involves sticking a lengthy swab up the nose to gather an example from the back of the nose and also throat, which is after that examined for SARS-CoV-2 RNA by the reverse-transcription polymerase chain reaction (RT-PCR). Now, researchers reporting to have created a prototype device that non-invasively found COVID-19 in the breathed out breath of infected patients.