In contrast, 23.6% of the 2013–2016 infections had K1 type, 12.7% had MAD20 type, 34.5% had RO33 type, and 29.1% contained multiple allelic types (i.e. K1/MAD20, K1/RO33, and MAD20/RO33). The gene discussed is KRT1; the disease is infection.