Table 2. Mastomys natalensis MHC-I composition between two localities in Nigeria.

Abagboro is a non-endemic site for Lassa fever, and Ebudin is an endemic site for Lassa fever.

	Abagboro n = 76	Ebudin n = 113
Number of alleles	193 {85 shared}
	110 {25 private}	168 {83 private}
Mean {range} number of alleles per individual	28.3 {9–43}
	29.21 {12–43}	27.63 {9–39}
Number of supertypes	22 {21 shared}
	21 {0 private}	22 {1 private}
Mean {range} number of supertypes per individual	13.21 {4–19}
	13.47 {6–16}	12.95 {4–19}