A pathogen may be cellular (bacteria, parasites, and fungi) or acellular (viruses, viroids, and prions). Web an infectious disease is a disease that is contagious. Web in the development of a disease (pathogenesis) more is involved than merely exposure to a causative agent. Web an infectious disease is any disease caused by the direct effect of a pathogen. Although human beings are continually exposed to a vast array of microorganisms in the environment, only a small proportion of those microbes are. Another name for a pathogen is an infectious agent, as they cause. Web viruses are very small infectious agents. Infectious diseases can be caused by: Web bacteria, viruses, and fungi are all types of pathogens. An organism that helps a disease spread.
Infectious diseases can be caused by: Web in the development of a disease (pathogenesis) more is involved than merely exposure to a causative agent. Infectious diseases can be caused by: They’re made up of a piece of genetic material, such as dna or rna, that’s enclosed in a coat of protein. Major outbreaks and spread of a disease. A pathogen may be cellular (bacteria, parasites, and fungi) or acellular (viruses, viroids, and prions). Web viruses are very small infectious agents. A room full of people may be exposed to a sufferer from a common cold,. A pathogen brings disease to its host. Web bacteria, viruses, and fungi are all types of pathogens. An organism that helps a disease spread.
