| spread of the newly emerging infectious laryngotracheitis viruses in australia. | infectious laryngotracheitis (ilt) is a significant viral disease of chickens in many countries around the globe. in this report the status of ilt in australia has been used as a model to evaluate the evolution of the ilt viruses (iltvs). due to its geographical isolation, australia harbored a distinct lineage of ilt viruses (iltv) up to 2007. however examination of the ilt viruses (iltv) involved in outbreaks between 2007 and 2009 has revealed that many of the outbreaks were caused by two new v ... | 2016 | 27223632 |