FILE - A health worker attends to an mpox patient, at a treatment center in Munigi, eastern Congo, Aug. 19, 2024. (AP Photo/Moses Sawasawa, File)

A man suffering from mpox poses for a photograph as he waits for treatment at the Kamituga General Hospital in South Kivu Congo, Wednesday, Sept. 4, 2024. (AP Photo/Moses Sawasawa)

A health worker carries medication to be giving to a man suffering for mpox at the Kamituga General Hospital in South Kivu Congo, Wednesday, Sept. 4, 2024. (AP Photo/Moses Sawasawa)

Mpox vaccine MVA-BN vaccine, manufactured by the Danish company Bavarian Nordic, are offloaded from a plane in Kinshasa, Congo, Thursday, Sept. 5, 2024.(AP Photo/Samy Ntumba Shambuyi)

Nurse attends to man suffering from mpox at the Kamituga General Hospital in South Kivu Congo, Wednesday, Sept. 4, 2024. (AP Photo/Moses Sawasawa)

Mpox vaccine MVA-BN vaccine, manufactured by the Danish company Bavarian Nordic, are offloaded from a plane in Kinshasa, Congo, Thursday, Sept. 5, 2024. (AP Photo/Samy Ntumba Shambuyi)