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What is the relationship between a reservoir and a vector in the context of disease transmission?
In the context of disease transmission, a reservoir is a place where a pathogen can live and multiply, such as an animal or environment. A vector is an organism that can carry and transmit the pathogen from the reservoir to a host. The relationship between a reservoir and a vector is that the reservoir provides a source of the pathogen, while the vector helps spread the pathogen to new hosts, contributing to the transmission of the disease.
What do pathegens benefit from invading the host?
When a pathogen has invaded a host, it has found a source of nutrition and a cozy place to live and reproduce. Our bodies are like Florida to a pathogen; the conditions are perfect to live in, and it's a pleasant place to call home.
What do pathogens do in an HIV-compromised immune system?
They grow and multiply with ease.
Dose the pathogen live in sertain places in the world in anorexia?
Anorexia is a psychological condition - not a disease caused by a pathogen !
What pathogen can live in dried blood for weeks?
Hep. C
Which bloodborne pathogen can live 7 days on dry surface?
Hepatitis B
How is Mechanical transmission differ from biological transmission?
Mechanical transmission does not involove any infection of the transmitter. The pathogen does not grow or multiply inside the transmitter and no intermediat developement of the pathogen occurs until it is transmitted to host by the transmitter. Biological transmission does include developement of the pathogen inside the transmitter species.
What does not need a host organism to live and multiply?
Bacteria do not need a host organism to live and multiply.
What happens after a white blood cell destroys a pathogen?
After a white blood cell destroys a pathogen, it can either die itself or continue circulating in the body to fight other pathogens. The debris from the destroyed pathogen is usually broken down and eliminated from the body through processes such as phagocytosis or excretion.
What makes coagulase important for a pathogen?
There is some controversy about whether coagulase is a virulence factor, but one way coagulase contributes to pathogenicity is that it binds prothrombin to form staphylothrombin, which then cleaves fibrinogen to form fibrin clots in which the bacteria can live and avoid phagocytosis by neutrophils.
How do infections begin?
Infection with a pathogen does not necessarily lead to disease. Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply.
Do the injected microorganisms have the same antigens as the live pathogen?
The injected microorganisms in a vaccine may have the same antigens as the live pathogen, but they are weakened or killed to prevent disease. This allows the immune system to recognize and build immunity against these antigens without causing illness.
