Next, we wanted to examine the levels of Type I and Type III IFNs in convalescent COVID-19 individuals over time, we assessed the plasma levels of Type I (IFNα, IFNβ), Type III (IFNλ1, IFNλ2 and IFNλ3) in the seven groups of COVID-19 individuals. The gene discussed is IFNL1; the disease is COVID-19.