Can invasive species be bacteria, viruses or diseases?

Answer

Yes, invasive species can include bacteria, viruses or diseases that have negative impacts in a new habitat.

Q: What is an invasive species? A: An invasive species is a non-native species that has been introduced to a new habitat and has a negative impact on the environment, economy or society.
Q: Can bacteria, viruses or diseases be non-native species that have a negative impact in a new habitat? A: Yes, they can be.