As the WHO suggests a slight change in spread, the ECDC calls for higher concern.
Testing of nasal and eye swabs of camels in Oman found 5 of 76 samples positive for Middle East respiratory syndrome coronavirus (MERS-CoV), and genetic sequencing showed that they were closely related to human viruses in the region
Experts say possibilities include a change in the virus and a seasonal pattern to transmission.
The WHO offered investigation help, with 33 more infections reported in Saudi Arabia and UAE.
Scientists found that camels in three widely separated African countries had MERS-CoV-like antibodies.
The Saudi MERS count surged by 37 cases and 6 deaths in 3 days, including 21 new cases in Jeddah's outbreak.
The outbreak in Jeddah, Saudi Arabia, had six more cases, and Greece reported a case with a link to Jeddah.
Seven cases were added to the Jeddah outbreak in Saudi Arabia, and 3 in the UAE.
The disease has made a long-feared leap outside the Middle East, killing a man in Malaysia and infecting a nurse in the Philippines.
A Jeddah outbreak increased by 5 cases, while the WHO reports 10 recent cases in UAE health workers.
