RIO DE JANEIRO, BRAZIL - Almost 30 percent of Brazilian households (19 million) are headed by someone with a high risk profile for Covid-19, according to a study by the Locomotiva Institute.
The elderly and individuals with chronic diseases, such as diabetes and asthma, make up 80 million Brazilians, or 40 percent of the country's total population. Together, they move R$2.1 trillion (US$420 billion . . .