Kisses are at a premium in the capital of Liberia. Even a hug or a handshake between friends is often out of the question. That’s the new normal ever since Ebola began ravaging communities throughout Liberia, Sierra Leone and Guinea. For much of the past year, residents of these west African countries have wondered if daily life will ever be able to return to the way things once were. And at the heart of the matter is a scientific question: has Ebola now found a permanent foothold among humans? The answer, however, is not easy to suss out. In fact, it’s a guessing game. Even for top scientists.
Image: Morgana Wingard/Sarah Grile