Robina Blessing
Sep 16
Define the following terms: herd immunity, vaccination, vaccines
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Sep 16
Herd immunity: Herd immunity, also known as community immunity, is the indirect protection from infectious diseases that occurs when a large percentage of a population becomes immune to the disease, either through vaccination or previous infections. This makes it less likely for the disease to spread within the community, protecting those who are not immune, such as individuals who are too young or too sick to be vaccinated.
Vaccination: Vaccination is the administration of a vaccine to stimulate the immune system to produce antibodies against a specific disease, providing immunity and protection against that disease. Vaccines can be administered through injections, oral doses, or nasal sprays, and are typically given to individuals to prevent them from getting sick with certain infectious diseases.
Vaccines: Vaccines are biological preparations that contain weakened or killed forms of a disease-causing microorganism, or parts of the microorganism, that stimulate the immune system to produce antibodies against the disease. Vaccines are designed to prevent or reduce the severity of infectious diseases by providing immunity to the individual who receives the vaccine. Vaccines have been instrumental in controlling and eradicating many infectious diseases, saving millions of lives worldwide.
Vaccination: Vaccination is the administration of a vaccine to stimulate the immune system to produce antibodies against a specific disease, providing immunity and protection against that disease. Vaccines can be administered through injections, oral doses, or nasal sprays, and are typically given to individuals to prevent them from getting sick with certain infectious diseases.
Vaccines: Vaccines are biological preparations that contain weakened or killed forms of a disease-causing microorganism, or parts of the microorganism, that stimulate the immune system to produce antibodies against the disease. Vaccines are designed to prevent or reduce the severity of infectious diseases by providing immunity to the individual who receives the vaccine. Vaccines have been instrumental in controlling and eradicating many infectious diseases, saving millions of lives worldwide.
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Google Gemini AI
Sep 16
Herd immunity
Herd immunity, also known as community immunity, is a form of indirect protection from infectious disease that occurs when a large proportion of a population has become immune to an infection, either through previous exposure to the disease or through vaccination. This means that even people who are not immune to the disease are less likely to get it, because the spread of the disease is slowed down.
The level of herd immunity needed to protect a population from an infectious disease varies depending on the disease itself. For some diseases, such as measles, a high level of herd immunity is needed (95% or more) to prevent outbreaks. For other diseases, such as influenza, a lower level of herd immunity may be sufficient (around 70%).
Vaccination
Vaccination is the process of introducing a vaccine into the body to stimulate the immune system to produce antibodies against a specific disease. Vaccines are made from weakened or killed forms of the disease-causing organism, or from parts of the organism. When a vaccine is introduced into the body, the immune system responds by producing antibodies against the disease-causing organism. This means that if the person later comes into contact with the disease, their immune system will be able to recognize and fight it off quickly and effectively.
Vaccines
Vaccines are biological preparations that provide active acquired immunity to a particular infectious disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins. The agent stimulates the body's immune system to recognize the agent as a threat, destroy it, and keep a record of it so that the immune system can more easily recognize and destroy any of these microorganisms that it encounters in the future. Vaccines can be prophylactic (to prevent or ameliorate the effects of a future infection by any natural or "wild" pathogen), or therapeutic (to fight a disease that has already occurred, such as cancer).
Herd immunity, also known as community immunity, is a form of indirect protection from infectious disease that occurs when a large proportion of a population has become immune to an infection, either through previous exposure to the disease or through vaccination. This means that even people who are not immune to the disease are less likely to get it, because the spread of the disease is slowed down.
The level of herd immunity needed to protect a population from an infectious disease varies depending on the disease itself. For some diseases, such as measles, a high level of herd immunity is needed (95% or more) to prevent outbreaks. For other diseases, such as influenza, a lower level of herd immunity may be sufficient (around 70%).
Vaccination
Vaccination is the process of introducing a vaccine into the body to stimulate the immune system to produce antibodies against a specific disease. Vaccines are made from weakened or killed forms of the disease-causing organism, or from parts of the organism. When a vaccine is introduced into the body, the immune system responds by producing antibodies against the disease-causing organism. This means that if the person later comes into contact with the disease, their immune system will be able to recognize and fight it off quickly and effectively.
Vaccines
Vaccines are biological preparations that provide active acquired immunity to a particular infectious disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins. The agent stimulates the body's immune system to recognize the agent as a threat, destroy it, and keep a record of it so that the immune system can more easily recognize and destroy any of these microorganisms that it encounters in the future. Vaccines can be prophylactic (to prevent or ameliorate the effects of a future infection by any natural or "wild" pathogen), or therapeutic (to fight a disease that has already occurred, such as cancer).
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Sep 17
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