@flowergirl
She and others could participate in a clinical trial. Here's one site however there are other sites as well.
Unless she's undergoing clinical trial.
https://www.centerwatch.com/clinical-trials/listings/condition/1097/covid-19/
COVID-19 Clinical Trials
A listing of COVID-19 medical research trials actively recruiting patient volunteers. Search for the closest city to find more detailed information on a research study in your area.