Examining knowledge of Mpox among primary care physicians in North-Western Nigeria: an online cross-sectional study - Godpower Chinedu Michael; Bukar A. Grema; Hussaini Y. Magaji; Chinyere Nwosu; Taslim O. Lawal; Mohammed B. Usman; Ramatu Abubakar; Fatima A. Falaki; Muttaka Maude; Zainab Abdulkadir; Abdulgafar L. Olawumi; Zainab U. Abdulazeez; et al. (BMC Health Services Research, 2026)