Obstructive sleep apnea and severe COVID-19 infection: is there a plausible link? Obstructive sleep apnea and severe COVID-19 infection: is there a plausible link? Download Variable phenotypes in congenital central hypoventilation syndrome with PHOX2B nonpolyalanine repeat mutations The “Traffic Light OSA-SARS”: a tool for the management of obstructive sleep apnea in the pandemic era