CLINICAL MEDICINE

Detailed explanation-1: -Pathogenic organisms are of five main types: viruses, bacteria, fungi, protozoa, and worms.

Detailed explanation-2: -Infectious diseases are caused by pathogens, which include bacteria, fungi, protozoa, worms, viruses, and even infectious proteins called prions.

Detailed explanation-3: -Diseases in the plants are associated with different plant pathogens which are considered to be the main accountable pathogens like bacteria, fungi, viruses, and nematodes (Moustafa-Farag et al., 2020).

Detailed explanation-4: -Plant pathogens are very similar to those that cause disease in humans and animals. Fungi, fungal-like organisms, bacteria, phytoplasmas, viruses, viroids, nematodes and parasitic higher plants are all plant pathogens.