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What type of immunity may be gained by coming down with a disease?
Acquired immunity: When a person gets sick from a disease, their body produces antibodies to fight off the infection. After recovery, the body retains memory cells that recognize the specific pathogen if it reappears, providing immunity against future infections.
Can you get adenovirus more than once?
Yes, it is possible to get adenovirus more than once because there are multiple strains of the virus and immunity to one strain does not necessarily protect against infection with another strain.
What is the relationship between immunity and vaccination?
You get immunity by having a vaccination or by having the infection itself. The vaccination is the introduction of the pathogen in tiny amounts to kick start your immune system so it knows how to deal with the real thing if you encounter the germ in the environment. A vaccine is the medicine made to introduce the pathogen (infection-causing "bug") into your body in a vaccination. Having immunity is how your body prevents a second infection by the same germ. The first time you catch the germ (or get a vaccination for it), your body responds to cause immunity, so if you run across the same exact germ again later, your body already knows how to prevent an infection again. See the related questions below for more about vaccines and vaccinations.
What are examples of artificial active immunity?
Active immunity is acquired from vaccinations or from infection against a pathogen. The next time you encounter the same pathogen your body has built memory against it and will be able to fight it much more efficiently. Passive immunity is primarily through a mother to a baby or fetus. Through the placenta the mother transfers her immunity (IgG antibodies) to her fetus. Also through breast milk she can although the placenta is much more so. The baby has her/his immunity from the mother but it only lasts a few months because the baby hasn't developed his/her own immunity.
What type of immunity results from injection of tetanus toxoid?
Active immunity, specifically artificial active immunity, results from the injection of tetanus toxoid. This means that the body produces its own antibodies against the tetanus toxoid.
What type of immunity may be gained by coming down with a disease?
Acquired immunity: When a person gets sick from a disease, their body produces antibodies to fight off the infection. After recovery, the body retains memory cells that recognize the specific pathogen if it reappears, providing immunity against future infections.
What is the role of immunity in disease in animals?
Immunity is the internal protection of an organism from infection with a pathogen. Therefore, immunity (which is typically conferred by the immune system) has the role of protection against disease in animals. However, another aspect of immunity is innate or species-based immunity. This is conferred by the genetics of the species and protects the animal against pathogens that infect other species of animals. For instance, cattle are not susceptible to PRRS virus infection because PRRS is specific for pigs. This is not true of all diseases, however - viruses such as rabies and foot and mouth disease virus can infect multiple species.
Exposure to a disease-causing organism results in which type of immunity?
Exposure to a disease-causing organism typically results in acquired immunity, either through natural infection or vaccination. This type of immunity is specific to that particular organism and provides protection against future encounters with the same pathogen.
What is concomitant immunity?
The presence of the parasite within the host confers a degree of protection against superinfection Outcome is chronic infection and density dependant disease
How can the body prepare itself for a future infection of the same bacteria?
You get immunity to the infection. Next time you get the infection by the same bacteria, your body can fight back the infection rather effectively. But the immunity does not last for life time, like most of the virus infections.
What are four types of immunity?
The four types of immunity are innate immunity, adaptive immunity, passive immunity, and active immunity. Innate immunity is the body's first line of defense, providing immediate but non-specific protection against pathogens. Adaptive immunity develops over time and involves a specific response to pathogens, including the production of antibodies. Passive immunity involves the transfer of antibodies from one individual to another, such as from mother to child, while active immunity refers to the immune system's response to a vaccine or infection, leading to long-lasting immunity.
How did the first person get chickenpox?
If someone has already been infected with chickenpox, they are immune to it. Vaccines are also available. You have immune system in your body. This system recognizes the 'Foreign protein' that has entered in your body in the form of infection. It give rise to cell mediated and humeral immunity against the various infections, once you catch the same. Immunity against the virus infection is usually life long as against the bacterial infections. You get immunity to chickenpox by way of immunization. You can get passive immunity by injecting the chickenpox immunoglobins. Thirdly you can get the immunity by catching the disease by deliberate exposure of the child to chickenpox patient. After the attack of chickenpox you have immunity against the virus.
What are given to babies in breast milk to give them immunity from microbes?
The mother's breast milk contains antibiotics , Immunoglobulin , which gives the newborn defense against bacterial infection .
How are natural acquired immunity and artificial acquired immunity alike?
Natural acquired immunity is when your body already knows how to defend against certain antigens and germs. Artificial acquired immunity is provided in shots to the body when we are babys. These shots contain inactive or a weakened antigen or germ in order to allow are body to produce an anti-body to defend against them if we were to get infected in the future. This makes them alike because the way of defending against the antigens are the same. The only difference is that in artificial immunity are bodys are introduced to a foreign antibody in order for our body to "learn" to defend against it.
Why majority of children in many part of India are already immune to Hepatitis?
Most of the children get exposed to hepatitis A virus due to not so good sanitation. Only few of them get hepatitis and rest get sub-clinical infection. Most of them get recovered and get immunity to the infection. Even to day also most of the rural Indian population takes treatment from the unqualified doctors. They get the hepatitis B infection from them. Most of the children recover from the infection and get immunity against the hepatitis B virus infection. Same is true for other strains of the hepatitis viruses.
Does mumps confer lifelong immunity?
Yes, mumps typically confers lifelong immunity after infection. Once a person has recovered from mumps, their immune system produces antibodies that provide protection against future infections. Vaccination with the MMR (measles, mumps, and rubella) vaccine also offers long-lasting immunity, although vaccine-derived immunity may require boosters in some cases.
What does HBsAg reactive but HbsAb is negative means?
HBsAg reactive means the person has been infected with Hepatitis B virus. HbsAb negative indicates that the person does not have immunity against Hepatitis B. This combination suggests an active Hepatitis B infection without immunity.
