IL1B and infection: Previous studies have shown that infection with highly virulent ASFVs including E70 (genotype I, Europe), Armenia 2008 (genotype II, Caucasus), and SY18 (genotype II, China) can cause increases in serum IL-1α and IL-1β, while moderately virulent and attenuated ASFV strains do not [52,54,55,56,69,70,71,72].