Matching Pairs Principles of InfectionOnline version Put into practice what you have learned about infection principles. by Rosalind Carter 1 Viruses 2 Biofilm 3 Mildew 4 Bacteria 5 Germs 6 Common cold 7 Parasites 8 Toxins 9 Scabies 10 Head lice 11 Fungi Nonscientific synonym for disease-producing organisms Poisonous substances produced by some bacteria and viruses Plant parasites that can cause contagious diseases Colonies of microorganisms that adhere to environmental surfaces, as well as the human body, and secrete a sticky, protective coating that cements them together. Can be pathogenic or nonpathogenic Organisms that cannot live on their own An example of a fungus Submicroscopic particle that infects the cells of an organism An example of a virus Contagious disease caused by the itch mite An example of a parasite