APOH and influenza: Influenza patients presented a decreased DNase activity compared to healthy controls: 8 (4-8) vs 108 (77-138) ng/mL, p<0.001 and a slightly lower ApoH concentration although the differences were not significant: 177 (103-281) vs 209 (168-256) ug/mL, p=0.079 (Supplementary Table S3).