One horse in Miami-Dade County, Florida, has tested positive for strangles, and 30 horses are exposed.

No additional cases of EHM have been reported at the barn in San Luis Obispo County since a horse tested positive in February.

One horse is positive for strangles at a boarding barn in Oxford County, and 40 horses are exposed.

A horse in Marion County is positive for strangles, and two other cases are suspected.

The horse resides in Ponoka County.

There have been no additional cases of EHV-1 at the racetrack in Maricopa County, Arizona, since the index case in February.

The horse resides in Pierce County, where 4 additional cases are suspected.

The sick horse lives in Gem County, where 6 additional cases are suspected and 25 horses are exposed.

Two additional horses at a barn in Bay County have tested positive for strangles, bringing the total number of cases to seven.

The horse lived in San Luis Obispo County and has been euthanized, but 26 horses are potentially exposed.

One horse in York County is positive for respiratory equine herpesvirus, and 40 horses are exposed.

One horse is positive for EHV-1 in Simcoe County, and another horse is suspected positive.

One horse at the racetrack in Maricopa County, Arizona, has tested positive, and 36 horses are exposed.

The mare resides in Shiawassee County and is under voluntary quarantine.

A gelding in Macomb County is under voluntary quarantine.

The horse resides in Oklahoma County, where six others are exposed.