No new cases of neurologic equine herpesvirus (NEHV-1) have been confirmed since Jan. 20 in connection with the current outbreak in Orange County, Calif., according to a statement from the California Department of Food and Agriculture (CDFA). The total number of cases stands at 11.

Additionally, a necropsy has been completed on the lone horse to perish as a result of the outbreak: "A confirmed positive horse became recumbent and was euthanized on Jan. 18, 2012," the statement read. "The necropsy results indicate that it is highly unlikely that the recumbency was due to the (neurologic) EHV-1 infection."

The CDFA provided no further information as to a possible cause of recumbency.

The rest of the affected horses are reportedly recovering. One–the index case–has exhibited neurologic signs. "All other confirmed NEHV-1 positive horses displayed respiratory symptoms, limb edema (fluid swelling), and/or fever," the statement read

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