Tularemia is an animal disease that can be transmitted to humans. While it can be fatal, it is rare in Australia and can be treated with antibiotics.
As the goat plague is a trans-boundary disease, there's concern that it will spill over into neighbouring countries such as Rwanda and Burundi.
Some have a strain that is almost identical to one that infected humans in the middle ages.
Social media has fuelled a trend for foreign dogs being rehomed in the UK, hampering domestic rescue efforts and increasing disease risks.
Chytrid fungus has already wiped out six species of Australian frogs since the disease arrived in the 1970s. Without urgent action, seven more are facing extinction.