Read the following premise and answer if the hypothesis is true.
Nosopsyllus fasciatus, the northern rat flea, is a species of flea found on domestic rats and house mice. Northern rat fleas are external parasites, living by hematophagy off the blood of rodents. It is the most widely spread of its genus, having originated in Europe, but has been transported to temperate regions all over the world.
Hypothesis: Nosopsyllus fasciatus originated in Italy which later sped across all of Europe and World.. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
It's impossible to say
It's impossible to say based on the given information. The hypothesis suggests that Nosopsyllus fasciatus originated in Italy and spread