Coronaviruses can cause a mild cold or severe pneumonia-like symptoms.
Dr. Gopal Murti/Visuals Unlimited/Corbis
November 30, 2012 The latest cases represent the oldest known so far. They push the SARS-like virus's timeline back three months from the first reported case involving a 60-year-old man who died in Jedda, Saudi Arabia, last June.
Different types of coronaviruses can cause a simple cold or a deadly respiratory illness, such as SARS.
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October 5, 2012 At first it seemed likely that the two known cases of illness from the new cousin-of-SARS virus may have been exposed in or near the Saudi Arabian city of Jeddah. But now it's pretty certain that a 49-year-old Qatari man who had traveled to Jeddah last month didn't pick up the virus there after all.
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