RIO DE JANEIRO, BRAZIL - The coronavirus pandemic has hit the world famous Copacabana beach district of Rio de Janeiro particularly hard: the more affluent southern zone of the district ranks at the top of the official list of Covid-19 deaths in the city.
There is a reason for this: according to the 2010 census, Copacabana records the highest proportion of elderly residents in Brazil. Epidemiologist Alexandre Kalache even claims that no other district in Latin America has such a high density of senior citizens. The 74-year-old Brazilian must know: he is one of the world's leading . . .