AdvertisementWeb Of 'Wellness' Doctors Promote Injections Of Unproven Coronavirus TreatmentOctober 01, 2020Tom DreisbachfacebookEmailAn NPR investigation has identified more than 30 medical practices in more than a dozen states promoting unproven claims that the drug thymosin alpha-1, which is administered via injection, can prevent or treat COVID-19. (NurPhoto via Getty Images)