Can invasive species affect humans?

To a certain extent absolutly. They can impact human health for the worse and more.

Invasive species are those specie that is not specific to a certain location, and it spread to a degree and is harmful for human economy.

Explanation:

For e. g. Green Crab

Invasive species can affect human in a way that they threaten biodiversity and alter the ecosystem. It greatly involve in loss of human economy, its function. It also affect human health as well. It is also harmful for our natural resources.

Malaria is caused also by invasive species.