What is a paratenic or transport host?
paratenic host a potential or substitute intermediate host that serves until the appropriate definitive host is reached, and in which no development of the parasite occurs; it may or may not be necessary to the completion of the parasite’s life cycle.
What is an infective host?
A host in the context of infectious disease refers to an animal or plant that acts as a biological refuge in which another – often parasitic – organism may dwell. The host usually provides shelter or nourishment to the other organism, which may use the host to partially/completely sexually develop 1.
What is an amplifier host?
: an organism in which an infectious agent (such as a virus or bacterium) that is pathogenic for some other species is able to replicate rapidly and to high concentrations.
What is a meaning of host?
1 : a person who receives or entertains guests. 2 : a living animal or plant on or in which a parasite lives. host. verb.
What is host with example?
The definition of host is someone or something that entertains others or invites others in, or the wafer used in Christian communion. An example of host is someone who gives a party. An example of host is a dog that has fleas. An example of host is the cracker used during communion.
What are the 5 modes of transmission?
The modes (means) of transmission are: Contact (direct and/or indirect), Droplet, Airborne, Vector and Common Vehicle. The portal of entry is the means by which the infectious microorganisms gains access into the new host.
What is the difference between a host and a reservoir?
The reservoir (source) is a host which allows the pathogen to live, and possibly grow, and multiply. Humans, animals and the environment can all be reservoirs for microorganisms. Sometimes a person may have a disease but is not symptomatic or ill.
What is the meaning of reservoir host?
A host that serves as a source of infection and potential reinfection of humans and as a means of sustaining a parasite when it is not infecting humans.
What is incubation period?
What Is an Incubation Period? The incubation period is the number of days between when you’re infected with something and when you might see symptoms. Health care professionals and government officials use this number to decide how long people need to stay away from others during an outbreak.
What is an environmental reservoir?
Environmental reservoirs include living and non-living reservoirs that harbor infectious pathogens outside the bodies of animals. These reservoirs may exist on land (plants and soil), in water, or in the air. Pathogens found in these reservoirs are sometimes free-living.