Before revision:  Such a model can explain the puzzling empirics: if mixing is sufficiently homophilic , an increase in the share of corona sceptics can cause an increase in the number of deaths without increasing the number of reported infections .
After revision:  Such a model can explain the puzzling empirics: if the behavioral differences between the two groups are sufficiently different , an increase in the share of corona sceptics can cause an increase in the number of deaths without increasing the number of reported infections .