https://www.knowledge.unibocconi.eu/notizia.php?idArt=18597
https://www.ceps.eu/system/files/CEPS%20-%20LINKEDIN%20study%20FINAL.pdf
https://www.brookings.edu/research/is-long-covid-worsening-the-labor-shortage/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=200588850&utm_source=hs_email
https://www.thelancet.com/action/showPdf?pii=S0140-6736%2820%2930461-X