Please read the Bio Security Bulletin regarding a Hendra virus case at Murwillumbah found in June 2015 (PDF 248kb) which is issued on behalf of  Ian Roth - the Chief Veterinary Officer in NSW.
Please address any queries you have regarding the information in the linked bulletin to:

Sarah Britton | Veterinary Officer | Biosecurity NSW
Department of Primary Industries |161 Kite Street | Orange NSW 2800| Locked Bag 21 | Orange NSW 2800
T: 02 6391 3717 | F: 02 6361 9976 | M: 0412 574 986
E: sarah.britton@dpi.nsw.gov.au 
W: www.dpi.nsw.gov.au/biosecurity