Time delays in the response to the Neisseria meningitidis serogroup C outbreak in Nigeria - 2017. oleh Assad Hassan, G U Mustapha, Bola B Lawal, Aliyu M Na'uzo, Raji Ismail, Eteng Womi-Eteng Oboma, Oyeronke Oyebanji, Jeremiah Agenyi, Chima Thomas, Muhammad Shakir Balogun, Mahmood M Dalhat, Patrick Nguku, Chikwe Ihekweazu