San Luis Potosà researchers studied 78 university students after COVID.
At least 29.5% had long COVID despite normal lung tests, and an electronic nose spotted breath patterns with 97.4% accuracy.
pubs.rsc.org/en/content/a...
pubs.rsc.org
Background: Long COVID (LC) is a multisystemic condition characterized by persistent symptoms following SARS-CoV-2 infection. Although most research focuses on older or hospitalized individuals, young...
