As 2013 ended there had been reports of transmission of the virus from infected patients to healthcare workers, but no sustained human-to-human transmission and no transmission of the virus outside a healthcare setting was confirmed.
The announcement May 17, 2014 of a secondary infection in an Illinois man who had face-to-face business contacts with the Indiana man confirmed as the first US case confirms human-to-human transmission outside a healthcare setting, However this is not evidence of sustained human-to-human transmission.
It was reported May 7, 2013 that the recent cluster cases are in not one but several hospitals raising concern about human-to-human transmission. There have been 13 cases reported in Saudi Arabia; five of these people died the last week of April, two the first week of May and two this past week.
A British citizen became ill after returning home from a trip to Saudi Arabia and Pakistan and infected two family members.
May 7, 2013 French officials released a statement a Frenchman fell ill after returning from a trip to the United Arab Emirates. The man is under isolation and medical surveillance at a hospital. May 9 French officials reported 3 suspected cases of the virus in a nurse, doctor and roommate all of whom had contact with the ill man. Tests are pending.
May 13, WHO officials suggested the new virus is transmissible human-to-human upon prolonged contact with an infected individual.
May 21, 2013 officials in Tunisia reported the death of a 66 year-old-man and illness of his 2 children from MERS. All three had traveled to Saudi Arabia. The 66 year old was diabetic and had other health related issues.
WHO officials have now as of May 22, 2013 shared concern the virus may be easily spread to India and the Philippines due to workers from these countries traveling back and forth to home.. Australia has issued a travel alert.