With reference to the AVA biosecurity guidelines: www.ava.com.au, write a summary of the conversation.
The person that took the phone call could have asked the client more questions, such as what symptoms has Ethan been displaying? Has he had any diahorrea or been vomiting? During the call the client could have been directed to wait in the car upon arrival, and call the vet clinic to say they have arrived.
Wearing appropriate PPE before handling Ethan, washing your hands after handling Ethan. Limiting high movement traffic in the clinic, such as bringing Ethan straight to the Isolation ward.