Interferons (Alfa, Beta)

Authors: NIH

Interferons are a family of cytokines with antiviral properties. They have been suggested as a potential treatment for COVID-19 because of their in vitro and in vivo antiviral properties.


  • The COVID-19 Treatment Guidelines Panel recommends against the use of interferons for the treatment of patients with severe or critical COVID-19, except in a clinical trial (AIII). There is insufficient evidence to recommend either for or against the use of interferon beta for the treatment of early (i.e., <7 days from symptom onset) mild and moderate COVID-19.

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