Saudi Arabia has reported five new deaths from Middle East Respiratory Syndrome taking the death toll from the virus to 92.
A A statement on Saturday said new cases have also been detected in the kingdom.
MERS, which is related to the SARS virus, can cause coughing, fever and pneumonia.
Anxiety about its spread is growing, particularly after the resignations last week of at least four doctors at a hospital in Jeddah who refused to treat patients for fear of infection.
Health minister Abdullah al-Rabiah was dmissed on Monday without an official explanation.
Egypt has just discovered its first case of the virus in a citizen who recently returned from Saudi Arabia.
The SARS virus erupted in Asia in 2003 and infected 8273 people, nine percent of whom died.