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.
Gladiolus (Gladiolus) Plant Health Problems. Diseases caused by Fungi: Botrytis leaf, stem, and corm rot, Botrytis spp. Symptoms of this disease can appear on leaves, flowers, stems, and corms. Flowers turn a papery brown and become covered with gray, fuzzy masses. Senescing flowers are particularly susceptible. Tan to brown spots with a target-like appearance can also develop on the leaves.