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Table 2 Laboratory results for rubella-specific immunoglobulin M antibody testing of suspected measles cases by county, 2017–2018, Liberia

From: Rubella transmission and the risk of congenital rubella syndrome in Liberia: a need to introduce rubella-containing vaccine in the routine immunization program

County aSuspected measles cases Rubella IgM tested Rubella IgM result
IgM + IgM - Indeterminate Positivity %
Montserrado 325 166 72 80 14 43
Lofa 165 152 68 77 7 45
Margibi 236 158 66 84 8 42
Bomi 92 85 41 42 2 48
Bong 163 86 33 51 2 38
Nimba 219 98 29 63 6 30
Sinoe 86 69 29 37 3 42
Grand Kru 134 82 26 55 1 32
Grand Gedeh 127 89 20 63 6 22
Maryland 119 77 20 54 3 26
Grand Bassa 118 55 19 32 4 35
Grand Cape Mount 60 42 19 22 1 45
River Gee 94 80 17 57 6 21
Gbarporlu 29 25 7 18 0 28
Rivercess 60 43 6 34 3 14
Total 2027 1307 472 769 66 36
  1. aSuspected measles cases with known laboratory result, IgM Immunoglobulin M