I have no idea, but a lot of people will want to start shipping to Florida in the next couple of months and this sounds like something that is easily spread. Speaking of that, what is Hendra? I see that is affecting horse AND humans in Australia (I believe). I had never heard of it before reading about it in some news articles.
Getting it by ticks is a common way, but their finding out that it's not the ONLY way. Their are not quite sure yet, so that's not helpful at all lol. I would look it up on google or ask a vet because thats the best way to know.
PIROPLASMOSIS is a tick born infection that can also be spread by dirty needles and skin piercing implements. Blood to Blood. Not normally found in Canada, US, England or Ireland, but is in Africa, Caribbean, Central America, East and Southern Europe, Middle East. Can be difficult to diagnose but mild cases shows as progressive Anemia, Jaundice and Fever. Confirmed with blood tests and treated with drugs HENDRA, good info at www.cdc.gov/
Hope this helps.
St Clair