Can hantavirus spread between humans? What to know as WHO investigates ship outbreak
Three people are dead and nearly 150 remained quarantined Tuesday on a cruise ship off the coast of West Africa, as the World Health Organization investigates an outbreak of the rare but deadly hantavirus on board. William Brangham speaks with Dr. Céline Gounder, an infectious disease specialist, epidemiologist and editor-at-large for public health at KFF News, to learn more.

