“…Therefore, this study includes several important exogenous constructs to analyze the intentions of the Muslim community in Indonesia to use halal vaccines. The exogenous constructs consist of RE (Siala, 2013; El-bassiouny, 2016; Khan et al , 2017; Agarwala et al , 2018; Aksoy, 2019; Riptiono and Setyawati, 2019; Bukhari et al , 2020; Fatmi et al , 2020; Widyanto and Sitohang, 2020), halal knowledge (HK; Simanjuntak and Dewantara, 2014; Suki and Suki, 2018; Padmawati et al , 2019; Sudarsono and Nugrohowati, 2020; Abdullah, 2021), HC (Lada et al , 2009; Hussain et al , 2016; Jalil et al , 2018; Ahmed et al , 2018a; Sun et al , 2020; Widyanto and Sitohang, 2020) and product quality (Ambali and Bakar, 2013; Aziz and Chok, 2013; Hussin et al , 2013; Habibie and Donna, 2020).…”