WASHINGTON, D.C.: The first US patient sickened by the dangerous Middle East respiratory virus, MERS, is doing better and no other cases have emerged, American health officials said Monday (Tuesday in Manila). The patient, a male healthcare worker who came down with the illness while working in Saudi Arabia, is still hospitalized and in isolation but is improving, officials told reporters. “We expect him to be going home soon,” said Alan Kumar, chief medical information officer at Community Hospital in Munster, Indiana. MERS, short for Middle East respiratory syndrome coronavirus, is a concern to authorities because even though it is harder to transmit than the flu, it is often deadly. Saudi health authorities announced on Monday that the death toll from MERS has reached 115 since the respiratory disease first appeared in the kingdom in 2012.