Park Seong JunJeong Seong-GeunChoi M.Y.2026-08-172026-1210.1016/j.idm.2026.05.006https://pubs.cidrz.org/handle/123456789/13457Infection dynamics for fluctuating infection or removal rates regarding the number of infected and susceptible individualshttps://doi.org/10.1016/j.idm.2026.05.006