Year State No of outbreaks Samples collected Positive samples by PCR
2016 Benue 1 2 1
Kaduna 1 2 1
Plateau 3 10 2
2017 Abia 1 1 1
Enugu 1 2 2
Imo 1 2 2
2018 Benue 11 38 11
Lagos 1 2 2
Plateau 16 47 14
Taraba 1 4 2
Total 37 110 38