An experimental trial of recombinant human interferon alpha nasal drops to prevent coronavirus disease 2019 in medical staff in an epidemic areas

An experimental trial of recombinant human interferon alpha nasal drops to prevent coronavirus disease 2019 in medical staff in an epidemic areas

To investigate the efficacy and safety of recombinant human interferon alpha1b(rhIFN-α)nasal drops in healthy medical staff to prevent 2019 novel coronavirus disease (COVID-19)