© 2004-2012 Horse Tack Review Extreme Weather Conditions Spark
Potomac Horse Fever Epidemic Throughout U.S. Horse Health -
Press Release Heavy rains, standing water and flooding have led
to increasing levels of Neoriketssia risticii (previously known
as Ehrlichia risticii) cases - more commonly known as Potomac
Horse Fever - across the United States. Outbreaks have been seen
throughout the East Coast and extremely wet weather has made
conditions perfect for the disease in the Midwest as well,
affecting states such as Oklahoma. Equine media outlets are
currently tracking a severe outbreak in New York with fatalities
already Vaccination against Potomac Horse Fever (PHF) -
including a fall booster shot in this year's epidemic - is a
critical component in the fight to save horses from the deadly
disease. PHF-Gard(TM), from Pfizer Animal Health, has been shown
in scientific studies to be 80% effective in preventing
infection by Neoriketssia risticii bacteria. Horses that have
been vaccinated may become infected, b