Contents

30 April 2021
Vol 372, Issue 6541

About The Cover

Cover image expansion

COVER In a fragment of Amazon rainforest within the city of Manaus, Brazil, parasitologist Aline Ramos holds samples of feces, bodily fluids, and tissue collected from pied tamarin monkeys. Ramos is part of a team screening rainforest animals for novel and known viruses and parasites that might spill over into humans, possibly sparking an outbreak. See page 450.
Photo: Hilaea Media/Dado Galdieri