Tests showed the businessman did not have pneumonia after all , CDC said . Disease Control and Prevention officials said Wednesday . He had been with first confirmed pneumonia patient in the United States . Two confirmed cases of MERS have been imported into the US MERS is a coronavirus , the same group of viruses as the common cold .
Tests showed the businessman did not have pneumonia after all , CDC said . He had been with first confirmed pneumonia patient in the United States . Two confirmed cases of MERS have been imported into the US MERS is a coronavirus , the same group of viruses as the common cold .