virus (1) dynamique de population (1) politique (1) besoin (1) mortalité (1) lumière (1) Europe (1) démographie (1) Europe (1) Mortality (1) Will (1) Mortality (1) Months (1) Light (1) Europe (1) Epidemics (1) Demography (1) Demographers (1) Dates (Fruit) (1) Comprehension (1) Communities (1) Will (1) Population (1)