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CDC: Middle East Respiratory Syndrome (MERS)

Middle East Respiratory Syndrome Coronavirus (MERS-CoV), formerly called "novel coronavirus (nCoV)," was identified in 2012 in Saudi Arabia. Most people who got infected with MERS-CoV developed severe acute respiratory illness with symptoms of fever, cough, and shortness of breath. About half of them died. A small number of the reported cases had a mild respiratory illness. Investigators are trying to figure out the source of MERS-CoV and how it spreads. There are no reported cases in the United States.

This virus is different from any other coronavirus previously found in people. It is also different from the coronavirus that caused SARS (Severe Acute Respiratory Syndrome) in 2003. However, like the SARS virus, MERS-CoV is most similar to coronaviruses found in bats.

MERS Cases and Deaths, April 2012 - May 2013

  • France - 2 Cases, 1 Death
  • Italy - 3 Cases, 0 Deaths
  • Jordan - 2 Cases, 2 Deaths
  • Qatar - 2 Cases, 0 Deaths
  • Saudi Arabia - 40 Cases, 26 Deaths
  • Tunisia - 2 Cases, 0 Deaths
  • United Kingdom - 3 Cases, 2 Deaths
  • United Arab Emirates - 1 Case, 1 Death
  • Total - 55 Cases and 32 Deaths

What Are Coronaviruses?

Coronaviruses are named for the crown-like spikes on their surface. They are common viruses that most people get in their lifetime. These viruses usually cause mild to moderate upper-respiratory tract illnesses.

Coronaviruses may also infect animals. Most of these coronaviruses usually infect only one animal species or, at most, a small number of closely related species. However, SARS coronavirus can infect people and animals, including monkeys, Himalayan palm civets, raccoon dogs, cats, dogs, and rodents.

No Travel Health Warnings for Any Country Related to MERS

The World Health Organization or CDC has not issued travel health warnings for any country related to MERS.

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SOURCE: CDC, June 10, 2013

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