FILE PHOTO: Phlebotomist Jenee Wilson talks with Melissa Cruz, an ER technician for Valley Medical Center who has recovered from the coronavirus disease (COVID-19) she contracted from a patient, as she finishes donating convalescent plasma at the Central Seattle Donor Center of Bloodworks Northwest during the outbreak in Seattle, Washington, U.S. April 17, 2020.
Young, previously healthy adults can take weeks to fully recover from even a mild Covid-19 infection, with about a fifth of patients under 35 years reporting not returning to their usual state of health up to 21 days after testing positive, according to the Centers for Disease Control and Prevention (CDC).