Science News & Analysis

Ebola and hantavirus outbreaks expose hollowed pandemic infrastructure — CDC leadership positions 80% vacant (May 19, 2026)

May 19, 2026 — Concurrent outbreaks of hantavirus in the American Southwest and a new Ebola flare in the Democratic Republic of Congo — with one American exposed and evacuated to Germany — placed the Trump administration's dismantled pandemic infrastructure under its first serious real-world test, and the results alarmed public health experts. The CDC had still not issued a routine Health Alert Network (HAN) notice about the hantavirus cluster — a basic public warning step that would ordinarily have been automatic within days of case identification — and 80 percent of the agency's top director positions remained vacant, leaving the agency without permanent leadership to guide decision-making or coordinate interagency response.

The WHO had declared the Ebola outbreak a public health emergency of international concern. But the CDC's communication with WHO remained constrained by the January 2025 gag order, effectively preventing the real-time information sharing that allows early outbreak containment. The administration had simultaneously shuttered the network of research centers focused on zoonotic pathogen surveillance — studies of viruses like hantavirus that jump from animals to humans — and eliminated the $750 million in state preparedness grants on which local health departments depend for the first line of domestic outbreak response.

Jennifer Nuzzo, director of the Pandemic Center at Brown University, said the CDC's institutional machinery — "once designed to respond to threats far worse than hantavirus" — had been dismantled. The administration's FY2026 budget had also zeroed out funding for the Hospital Preparedness Program, which funds the surge capacity hospitals need to absorb mass casualty events. The Office of Pandemic Preparedness and Response Policy (OPPR), a congressionally mandated White House coordination office, had been completely empty since June 2025. Public health officials said the question was no longer whether the current outbreaks would overwhelm the system — it was whether the next, larger one would.