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Infection is the detrimental colonization of a host organism by a foreign parasite species.
pathogenesis(why infection occurs)Persistent infection occur because the body is unable to clear the organism after the initial infection. Persistent infection are characterized by the continual presence of the infectious organism resulting in recurrent relapses.There are some viruses that can maintain a persistent infecting different cells of the body. A typical example is the herpes virus which tends to hide in nerves and become reactivated when specific circumstances arise.
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The chain of infection is a process in which?
The chain of infection is a process in which a pathogen moves from a reservoir to a susceptible host, passing through a series of steps that include the portal of exit, mode of transmission, portal of entry, and establishment of infection in the host. Breaking any step in the chain can help prevent the spread of infection.
Chain of infection for biological agents?
The chain of infection for biological agents begins with the etiological agent and includes the reservoir, the portal of exit, and the mode of transmission. The portal of entry and the susceptible host end the chain.
What is host tissue?
Host tissue refers to the cells, tissues, or organisms that provide the environment for a parasite or pathogen to live and reproduce. It can be human, animal, or plant cells that are susceptible to infection or infestation by a foreign organism.
What is the correct order of the chain of infection?
Oh, dude, you're asking about the chain of infection? Like, it's super simple. First, you've got your infectious agent, then you've got your reservoir, next up is the portal of exit, after that is the mode of transmission, then comes the portal of entry, and finally, you end with the susceptible host. Easy peasy lemon squeezy!
What is the susceptible host of poliomyelitis?
Humans
If one link in the chain of infection is missing an infection can still spread is true or false.?
False. In order for an infection to spread, all links in the chain of infection must be present: infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host. If any link is missing, the spread of infection is disrupted.
What is true about lysogenic infection?
Infection of the host cell then leading to recombination to the host cell's DNA.
What is the difference between latent infection and inapparent infection?
Latent infection is when a virus remains dormant in the body after an initial infection, potentially reactivating later. In contrast, inapparent infection refers to an infection that does not cause any noticeable symptoms or illness in the host.
In what type of infection is the host cell not destroyed?
Lysogenetic infection
The process of entrance and growth of a microorganism or virus in the host is called?
The process of entrance and growth of a microorganism or virus in the host is called infection. Infection occurs when the pathogen gains access to the host's tissues, replicates or multiplies within the host, and causes disease symptoms.
What is the type of infection in which the host cell bursts and is destroyed?
lytic infection
2. Transmission of infectious agents within healthcare requires a certain sequencing of elements that allows infection to occur. What is this called?
This process is called the chain of infection. It consists of six elements: infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host. Breaking any step in the chain can prevent the spread of infection.
