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.
Disease. Some plant diseases can cause wilting. For example, Fusarium and Verticillium fungi live in the soil and affect many plants, including tomatoes and other vegetable crops. The fungi enter a plant through the roots and cause wilting as they prevent water from reaching the leaves. Fusarium-infected plants at first might wilt on only one side, according to the University of California Integrated Pest Management Program. To control these diseases, remove and destroy infected plants.