The outbreak of the mosquito-borne disease began in late September following an intense rainy season.
Rift Valley fever is a mosquito-borne disease that primarily affects livestock.
There are two licensed vaccines for Ebola virus, but no vaccines are licensed for Sudan virus or Marburg virus.
In 2025, there have been 29 H9N2 cases reported from mainland China.
Officials also confirmed a new avian flu detection in dairy cattle in California.
Five health care workers were infected during this outbreak, 3 of whom died.
Three new deaths have been confirmed in the outbreak, bringing the death toll to 8.
The WHO says the source of the outbreak has not yet been identified.
Ethiopian health authorities are ramping up their response and conducting lab tests to identify the cause of the infection and stop further transmission.
Senegal's Rift Valley fever outbreak now has 302 confirmed cases.