FILE – In this March 24, 2020 file photo, a girl holds her doll in an alley of the Rocinha slum of Rio de Janeiro, Brazil, amid orders to stay home to contain the spread of the coronavirus. In Rocinha, narrow alleyways reduce airflow around homes packed tightly together; clean water is scarce, sewage often runs in the streets and winding alleys and soaring staircases make it difficult for medical professionals to retrieve an ailing patient in case of emergency. (AP Photo/Leo Correa, File)