He had contracted the Middle East respiratory syndrome coronavirus – or Mers-CoV and been transferred to the UK by air ambulance reports The Guardian

In May, the World Health Organisation (WHO) said Mers-CoV was a “threat to the entire world” and some have expressed concerns that the disease is developing faster than has been fully grasped.

Latest figures from the WHO show that since September last year there have been 77 laboratory confirmed cases across nine countries, which have resulted in 40 deaths.

British health officials have been advised to be vigilant for severe unexplained respiratory illness in anyone who has recently travelled in the Middle East region

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