Coronavirus, Novel (including SARS and MERS-CoV)

Middle East Respiratory Syndrome Coronavirus (MERS-CoV)

In September 2012, the World Health Organization (WHO) reported the discovery of a novel coronavirus causing human infection which resulted in fatal acute lower respiratory illness in a man in Saudi Arabia. Since then, additional cases of this virus, now called MERS-CoV, have occurred in the Middle East, and also in France, Germany, Tunisia and the United Kingdom in persons who traveled to the affected areas or who had contact with a person with MERS-CoV infection. For the latest case count, see the WHO Disease Outbreak News.

There have been no MERS-CoV infections reported in the United States. Orange County continues to monitor the situation closely. If you have a suspect case of MERS-CoV, please call Orange County Public Health immediately at 714-834-8180 for testing and management, and follow the recommendations outlined below.

Recommendations and Updates:


Severe Acute Respiratory Syndrome (SARS; SARS-CoV)

Severe Acute Respiratory Syndrome (SARS) is a viral illness that first appeared in mainland China in November 2002. From November 2002 through August 2003, there were 8,422 cases of SARS reported worldwide with 916 deaths (11%). In the United States, eight (8) SARS cases were confirmed through laboratory testing, 2 of whom were from California. There were no confirmed or probable SARS cases in Orange County.

For more information about Severe Acute Respiratory Syndrome (SARS), see