promote increased severity of COVID-19 syndrome caused by the novel coronavirus. In this paper, we empirically investigate the … ecologic association between longterm exposure to fine particulate matter (PM) concentration and excess deaths in the first … to urbanization that may have influenced the spreading of the novel coronavirus. Our epidemiological analysis uses …

This paper examines why a larger share of COVID-19 deaths occurs among young and middle-aged adults in developing … results. First, we show that the COVID-19 mortality age gap is not explained by younger susceptible populations in developing … COVID-19 spread such as residential crowding and labor informality are correlated with younger mortality age profiles across …