Low Vitamin D Linked to Increased COVID-19 Risk

https://www.medscape.com/viewarticle/934835?src=mkm_covid_update_200729_mscpedit_&uac=50597MX&impID=2482149&faf=1&fbclid=IwAR02gXFdueb3Elg8XKgAu7R0MDN35JvBinJ6WJnPv1ZSecW-2vIKB_JKhgY