With respect to arbovirus-malaria co-infected group, the MAD20 family was also the predominant msp-1 genotype and represented 40 % (34/85) of the overall detected msp-1 genotypes whereas K1 and RO33 allelic families represented 30.58 % (26/85) and 29.41 % (25/85), respectively (Table 2). This evidence concerns the gene KRT1 and malaria.