A: The variant NC_000021.9:g.33335578A>C in gene IFNAR1 is classified as 'Likely_risk_allele' for Susceptibility_to_severe_COVID-19. Molecular consequence: SO:0001583: missense_variant,SO:0001623: 5_prime_UTR_variant. Variant type: single_nucleotide_variant. Disease database links: .. Review status: no assertion criteria provided.