Honeyman, Damian Alexander, Aye Moa, Xin Chen, and Raina MacIntyre. “Re-Emergence of Poliomyelitis in the Ukraine, Caused by Circulating Vaccine-Derived Poliovirus Type 2 (cVDPV2)”. Global Biosecurity 4, no. 1 (May 20, 2022). Accessed November 17, 2025. https://jglobalbiosecurity.com/index.php/up-j-gb/article/view/157.