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.
So far there have been 277 confirmed cases and 22 deaths in Senegal's Rift Valley fever outbreak.
Rift Valley fever cases are rising in both people and animals in Senegal and Mauritania.
A seventh young child in Israel, a 1-year-old, has died this year from measles.
All but 1 of Utah's 53 measles case-patients were unvaccinated or have unknown immunization status.
