Spike protein increases risk of blood clots in Covid-19. ACTIV4 Trial aims to reduce clot risk with Apixaban or Aspirin.

Operation Warp Speed is the federal government funded effort to rapidly develop vaccines and therapeutic modalities to treat, prevent, or minimize side effects of Covid through the Accelerating Covid-19 Therapeutic Interventions and Vaccines (ACTIV) protoocols. I serve as the site principal investigator for the ACTIV-4 trial at the University of South Florida, Tampa General Hospital. In this trial, we will randomize patients leaving the emergency…