Reduced HDL-cholesterol in long COVID-19: A key metabolic risk factor tied to disease severity Jamila Al-Zadjali; Amal Al-Lawati; Nafila Al Riyami; Koukab Al Farsi; Najwa Al Jarradi; Ammar Boudaka; Ali Al Barhoumi; Mohsen Al Lawati; Amani Al Khaifi; Asma Musleh; Prisca Gebrayel; Sophie Vaulont; Carole Peyssonnaux; Marvin Edeas; Jumana Saleh;