CDC's Ebola warning is serious without being a U.S. panic story. The agency's May 19 Health Alert Network advisory says the Bundibugyo virus disease outbreak in DRC and Uganda has a low risk of spread to the United States at the time of the alert [1]. It also says that as of May 18 no suspected, probable, or confirmed U.S. cases related to the outbreak had been reported [1].

The same advisory explains why low risk still requires preparation. CDC says travelers from affected areas in DRC or Uganda could enter the United States, so the alert is aimed at travelers, public health departments, laboratories, and healthcare workers [1]. It tells clinicians to assess compatible symptoms with exposure risk, isolate and hospitalize patients who have both exposure risk and compatible symptoms, and contact health departments when Bundibugyo virus disease is suspected [1].

WHO's PHEIC statement supports the global severity frame, not a U.S. alarm frame. WHO determined the DRC and Uganda outbreak constitutes a public health emergency of international concern, while also advising that no country should close borders or place restrictions on travel and trade [2]. The narrow reading is the useful one: U.S. risk was low in CDC's advisory, but travel histories, infection-control steps, and public-health coordination still matter.

-- NORA WHITFIELD, Chicago