Various studies have reported on the potential of IP-10 as a diagnostic marker to discriminate between individuals with LTBI and TB (Jacobs et al., 2016; Kumar et al., 2021) and in patients’ whole blood, stimulated with ESAT-6 and CFP-10 (Borgström et al., 2012; Jeong et al., 2015; Comella-Del-Barrio et al., 2019). The gene discussed is CXCL10; the disease is tuberculosis.