The aim of this paper was to further examine the parasite disease ecology of collectivism from longitudinal perspective. We used articles published in People's Dally of China between 2019 and 2020l and divided them into three stages, Le., before, during and after SARS-CoV-2..It was found that callecttvtsm was higher and Indtvtduallsm was lower during SARS-CoV-2 stage compared to before and during SARS-CoV-2 stages. These findings deepen the parasite-stress theory of calleetivism from longitudinal perspective. The theoretical contribution toward ecological antecedents of collectivism and computational social psychology were also discussed.