Nigerian Risk Communication Experts and Leaders from NCDC, NACA, PTF COVID-19, MacArthur Foundation, USAID and The Yar'Adua Foundation lend their voices to this important campaign to promote the proper use of masks. #MaskOnNaija is a campaign by the Nigerian Centre for Disease Control (NCDC) to promote the proper use of face masks as one of the most effective ways to stop the spread of #COVID19.