Chart showing the rise in Ebola cases in Congo. (AP Digital Embed)

Head of the UN mission in Congo James Swan visits an Ebola treatment center in Bunia, Congo, Thursday, June 4, 2026. (AP Photo/Moses Sawasawa)

Head of the UN mission in Congo James Swan visits Bunia to assess the response to the Ebola outbreak in Ituri province, Congo, Thursday, June 4, 2026. (AP Photo/Moses Sawasawa)

Head of the UN mission in Congo James Swan walks with troops during a visit to assess the response to the Ebola outbreak in Ituri province, Bunia, Congo, Thursday, June 4, 2026. (AP Photo/Moses Sawasawa)

Head of the UN mission in Congo James Swan sanitizes his hands during his visit to Bunia to assess the response to the Ebola outbreak in Ituri province, Congo, Thursday, June 4, 2026. (AP Photo/Moses Sawasawa)

This image supplied by Australia's Department of Climate Change, Energy, the Environment and Water shows, Madagascar hissing cockroaches and dubia cockroaches, seized from a commercial breeder at Bathurst, Australia, Tuesday, May 26, 2026. (Department of Climate Change, Energy, the Environment and Water via AP)

This image supplied by Australia's Department of Climate Change, Energy, the Environment and Water shows, Madagascar hissing cockroaches and dubia cockroaches, seized from a commercial breeder at Bathurst, Australia, Tuesday, May 26, 2026. (Department of Climate Change, Energy, the Environment and Water via AP)

This image supplied by Australia's Department of Climate Change, Energy, the Environment and Water shows, a staff member holding a Madagascar hissing cockroach seized from a commercial breeder at Bathurst, Australia, Tuesday, May 26, 2026. (Department of Climate Change, Energy, the Environment and Water via AP)