New SARS-like virus could show up in U.S.
Posted in the Minneapolis Forum
#1 Feb 18, 2013
(CNN)-- Infectious disease experts say they wouldn't be surprised if a new virus that's sickened 12 people and killed five shows up in the United States.
The first cases of the novel coronavirus, which is in the same family as SARS and the common cold, were found to have occurred in an Amman, Jordan, hospital in April, according to the Centers for Disease Control and Prevention.
People have also become infected in Qatar and Saudi Arabia. On Saturday, the World Health Organization announced a new case in the United Kingdom.
"I wouldn't be shocked if it came here," said Dr. William Schaffner, an infectious disease specialist at Vanderbilt University Medical Center in Nashville.
Dr. Susan Gerber, a medical epidemiologist in the CDC's Division of Viral Diseases, agreed.
"It could happen," she said. "That's why the CDC is working closely with the World Health Organization and other international partners."
The CDC has advised doctors to ask patients with certain symptoms about their recent travels. Symptoms of infection with the novel coronavirus include an acute respiratory infection, fever and a cough.
The new virus, which the WHO is calling NCoV, or novel coronavirus, has a range of effects. One patient in the United Kingdom had only mild symptoms, but others have suffered pneumonia and kidney failure.
"Once it gets you, it's a very serious infection," Schaffner said.
Fortunately, he added, the virus is "very difficult to acquire."
New SARS-like virus posts medical mystery
So far most of the people who've caught the virus have been in the Middle East. It's suspected that, like SARS, the virus originated in animals. A study published in November found that genetically, the new coronavirus was most closely related to viruses found in bats.
In all but two cases, the virus has not spread from person to person. And in most cases, patients have not infected family members. Health care workers taking care of infected patients have also not become ill.
"There is no evidence of sustained human-to-human transmission where you see a chain of many cases going person to person to person," Gerber said.
"People shouldn't freak out," she added. "There's no evidence that this virus is easily spread, say, across a room."
However, human-to-human transmission is not impossible. Two family members in the United Kingdom contracted the virus without traveling to the Mideast. These patients live with a third family member who recently traveled to Saudi Arabia and Pakistan, according to the WHO.
One is a "UK resident and a relative of the case announced on 11 February 2013," the WHO reported last week. The second suspected person-to-person transmission is from the same family. That person did not travel outside the UK and "is recovering from a mild respiratory illness and is currently well," the WHO said Saturday.
"In these cases, human-to-human transmission does seem likely," Gerber said.
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