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Table 4 Rural, urban and seasonal variations in the distribution of P. falciparum msp-1 block 2 region allelic variants in Adama and its surroundings (n = 139)

From: Detection of high frequency of MAD20 allelic variants of Plasmodium falciparum merozoite surface protein 1 gene from Adama and its surroundings, Oromia, Ethiopia

Msp-1 block 2 allele types Number of positive alleles Rural Urban X2 Major malaria season Minor malaria season X2
MAD20 67 25 42 0.23 46 21 0.57
K-1 18 11 7 13 5
RO33 18 10 8 15 3
MAD20 + K-1 21 5 16 16 5
MAD20 + RO33 8 3 5 8 0
K-1 + RO33 4 3 1 3 1
MAD20 + K-1 + RO33 3 1 2 2 1