COVID-19 patients were followed over time with serial ELISpot assays, and the mean number of IFN-ɣ– and TNF-α–producing cells remained suppressed and did not increase over the time course of disease (IFN-ɣ P = 0.54, TNF-α P = 0.42) (Figure 6). The gene discussed is IFNA1; the disease is COVID-19.