A second diagnosis of the new SARS-like coronavirus has been confirmed in France, the Health Ministry said, in what appeared to be a case of human-to-human transmission.
The new infection was found in a 50-year-old man who had shared a hospital room with France's only other known sufferer, the ministry added.
"Of most concern," said a World Health Organisation statement, "is the fact that the different clusters seen in multiple countries increasingly support the hypothesis that when there is close contact this novel coronavirus can transmit from person-to-person."
At least 18 people are known to have died from the disease in the Middle East and Europe.
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Local authorities said the move is necessary to "avert the growing number of deaths and increasing harm linked to psychoactive substances".
Some students argued that the centuries-old tradition of wearing gowns, suits and mortarboards to exams was 'archaic' and looked elitist.
Clear spells in the north overnight where it's actually cold enough in the north for a touch of ground frost. Further south cloudier.