The largest increase in avidity index following infection was seen for HSP40 ag1 (p=<0.0001, CI 0.037–0.074), SBP1 (p=<0.0001, CI 0.017–0.083) and MSP2_Dd2 (p=0.0001, CI 0.034–0.066) (Supplementary Table S3). This evidence concerns the gene DNAJB1 and infection.