Single-cell oxygen saturation imaging shows that gas exchange by red blood cells is not impaired in COVID-19 patients.
Park K-C., Donovan K., Mckechnie S., Ramamurthy N., Klenerman P., Swietach P.
SARS-CoV-2 coronavirus infection is characterised by a marked inflammatory state and viral pneumonitis. A striking clinical feature is severe hypoxaemia, often in the presence of near-normal lung mechanics.