Common signs of parasites.

There is a greater variety of parasites. They are found almost everywhere. Also, they can belong to different kingdoms of living nature. These can be animals, plants, fungi, protozoa, bacteria and all viruses. What all these organisms have in common is that they live off the host’s organism. They themselves cannot create or process organic matter. They use the host’s body to support their life. Moreover, they are capable of releasing many hazardous substances and poisoning the host.