Sweden - low intervention, no system May 22, 2020 COVID-19 daily cases herd immunity lockdown Sweden true infection rate +
28 April coronavirus report #16 April 28, 2020 air pollution animals covid responses COVID-19 democracy economic weakness environmental protections Israel Sweden +
25 April coronavirus report #15 April 25, 2020 Australia automobile use Boeing Brazil covid responses COVID-19 deflation inflection lockdown Russia Sweden tourism USA +