Although number of studies have already shown the association of COVID-19 severity with CRP and D-dimer levels in blood, there are limited studies done on Bangladeshi populations (Chowdhury et al., 2020; Khourssaji et al., 2020; Velavan and Meyer, 2020; Cabanillas et al., 2021; Synolaki et al., 2021). Here, CRP is linked to COVID-19.