âif you have HIV and one or more of these OIs, you will be diagnosed with AIDS, no matter what your CD4 count happens to be: 1  of bronchi, trachea, esophagus, or lungs. , 2  chronic intestinal (greater than 1 month's duration). 3  disease (particularly CMV retinitis). , 4  HIV-related.
Organisms that cause infectious disease include fungi, oomycetes, bacteria, viruses, viroids, virus-like organisms, phytoplasmas, protozoa, nematodes and parasitic plants.Not included are ectoparasites like insects, mites, vertebrate, or other pests that affect plant health by consumption of plant tissues.rganisms that cause infectious disease include fungi, oomycetes, bacteria, viruses, viroids, virus-like organisms, phytoplasmas, protozoa, nematodes and parasitic plants.
Fungi and Disease. Recap. . . . . . . Bacteria, fungi and viruses are all micro organisms. We. learnt last lesson that some fungal species are beneficial to humans. in the food industry and in medicine production. However, some fungal species can cause disease along with. bacteria and viruses. Micro organisms that cause disease are called. pathogens. Letâs Focus on Fungi. Certain fungi have the ability to cause diseases in humans, plants and animals. When looking at plant pathogens itâs important to remember. that some parts of the plant are above ground â stems and leaves. and other parts are below ground â roots.