Table 1.

Overview of relevant models in the literature.

Authors	Objective type		Model feature		Model type			Virus type		Uncertain
	Single Objective	Multi Objective	single-level	Bi-Level	Cost	Risk	Time	COVID-19	Influenza	Stochastic optimization	Fuzzy optimization	Robust optimization
Hovav & Tsadikovich (2015)	√		√		√				√
Carvalho et al. (2019)		√	√		√					√
Sadjadi et al. (2019)	√		√		√					√
Lin et al. (2020)			√						√
Dai et al. (2020)	√		√		√	√		√
Enayati & Özaltın (2020)	√		√						√	√
Karmaker et al. (2021)	√		√					√			√
Rastegar et al. (2021)	√		√						√
De Boeck et al. (2021)			√			√
Dai et al. (2021)			√		√		√	√
Lin et al. (2021)	√		√			√			√	√
Alam et al. (2021)			√			√		√			√
Sazvar et al. (2021)	√		√		√				√		√	√
Bamakan et al. (2021)		√						√
Thul & Powell (2021)		√	√					√		√
This paper		√		√	√	√	√	√		√		√