Here in eastern Saudi Arabia, three days after his father died from a respiratory infection, Hussein Al-Sheikh began to feel feverish.<br/> <br />(SOUNDBITE)(English) HUSSEIN AL-SHEIKH, SAYING:<br/> <br />"After my dad passed away, the first one was me (infected) I felt really sick so I admitted in ICU, then after me my brother who got sick and now he is still in ICU and hopefully he is going to get better, then my sister."<br/> <br />It emerged his father was likely a victim of novel coronavirus, a new SARS-like disease.<br/> <br />Of the four Sheikh family members who fell sick, only one, Abdullah has tested positive for the virus.<br/> <br />The samples from the other three, including their father, are still being tested.<br/> <br />The virus first emerged in the Gulf last year and has claimed 18 lives so far.<br/> <br />The World Health Organisation said it seemed likely a new coronavirus could be passed between humans, but only after prolonged contact.<br/> <br />(SOUNDBITE)(English) WHO ASSISTANT DIRECTOR GENERAL, KEIJ