Saudi Arabia dismissed its health minister on Monday just days after he visited a hospital at the centre of growing concerns about the kingdom's handling of the MERS virus.
Abdullah al-Rabiah was named adviser to King Abdullah and replaced by Labour Minister Adel Fakieh, said a royal decree carried by the official Saudi Press Agency.
Saudi Arabia has registered by far the largest number of infections with Middle East Respiratory Syndrome since the disease's discovery in September 2012.
Of 243 confirmed cases across the planet, 231 have been in Saudi Arabia, according to the World Health Organisation.
Of those, 76 people have died, most recently two foreigners in the commercial capital Jeddah where there have been mounting fears of a potential surge in infections.
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Panic over the spread of the virus among medical staff in Jeddah triggered the temporary closure of a hospital emergency room in the city earlier this month.
The now fired minister visited the facility last week in a bid to reassure the public but on Wednesday at least four doctors at the King Fahd Hospital reportedly resigned after refusing to treat MERS patients.
MERS was initially concentrated in eastern Saudi Arabia but it now affects other areas.
The virus is considered a deadlier but less-transmissible cousin of the SARS virus that erupted in Asia in 2003 and infected 8,273 people, nine percent of whom died.
Experts are still struggling to understand MERS, for which there is no known vaccine.
A recent study said the virus has been "extraordinarily common" in camels for at least 20 years, and may have been passed directly from the animals to humans.