Measures to control protracted large Lassa fever outbreak in Nigeria, 1 January to 28 April 2019 Dan-Nwafor, Chioma C. and Furuse, Yuki and Ilori, Elsie A and Ipadeola, Oladipupo and Akabike, Kachikwulu O and Ahumibe, Anthony and Ukponu, Winifred and Bakare, Lawal and Okwor, Tochi J and Joseph, Gbenga and Mba, Nwando G and Akano, Adejoke and Olayinka, Adebola T and Okoli, Ihekerenma and Okea, Rita A and Makava, Favour and Ugbogulu, Nkem and Oladele, Saliu and Namara, Geoffrey and Muwanguzi, Esther N and Naidoo, Dhamari and Mutbam, Samuel K and Okudo, Ifeanyi and Woldetsadik, Solomon F and Lasuba, Clement LP and Ihekweazu, Chikwe, Eurosurveillance, 24, 1900272 (2019), https://doi.org/10.2807/1560-7917.ES.2019.24.20.1900272