English: According to the World Health Organisation (WHO), Lassa fever is known to be endemic in Nigeria with the peak season anticipated from December through June.
Igbo: Dị ka World Health Organisation (WHO) si kwuo, a mara 'lassa fever' ka ihe jupụtara Naịjirịa nke a na-atụ anya nnukwu oge ya site Disemba ruo Juun.