T - CoV has infected 49 people and killed 27 , World Health Organization says . The cases have a link to the Middle East , especially Saudi Arabia . Experts say the virus could show up in the United States .
MERS-CoV has sickened 49 people and killed 27 , World Health Organization says . The cases have a link to the Middle East , especially Saudi Arabia . Experts say the virus could show up in the United States .