Herd immunity is a form of indirect protection from infectious diseases that occurs when a sufficient percentage of a population becomes immune to the infection, either through vaccination or previous infections. The percentage of the population that needs to be vaccinated to achieve herd immunity varies depending on several factors, including the contagiousness of the disease.

1. For highly contagious diseases, such as measles, about 95% of the population needs to be immune to prevent outbreaks.
2. For polio, the threshold is approximately 80-85%.
3. For diseases like COVID-19, estimates suggested that around 70-80% of the population would need to be vaccinated, but this can vary based on factors like variant transmissibility and vaccination effectiveness.

The exact percentage required for herd immunity can change as new variants emerge and as vaccination strategies evolve. It is crucial to rely on updated research and health guidelines from reputable organizations for the most accurate information.

Question

Herd immunity is a form of indirect protection from infectious diseases that occurs when a sufficient percentage of a population becomes immune to the infection, either through vaccination or previous infections. The percentage of the population that needs to be vaccinated to achieve herd immunity varies depending on several factors, including the contagiousness of the disease.

1. For highly contagious diseases, such as measles, about 95% of the population needs to be immune to prevent outbreaks.
2. For polio, the threshold is approximately 80-85%.
3. For diseases like COVID-19, estimates suggested that around 70-80% of the population would need to be vaccinated, but this can vary based on factors like variant transmissibility and vaccination effectiveness.

The exact percentage required for herd immunity can change as new variants emerge and as vaccination strategies evolve. It is crucial to rely on updated research and health guidelines from reputable organizations for the most accurate information.

Knowee AI · Accepted Answer

Herd immunity is a form of indirect protection from infectious diseases that occurs when a sufficient percentage of a population becomes immune to the infection, either through vaccination or previous infections. The percentage of the population that needs to be vaccinated to achieve herd immunity varies depending on several factors, including the contagiousness of the disease.

1. For highly contagious diseases, such as measles, about 95% of the population needs to be immune to prevent outbreaks.
2. For polio, the threshold is approximately 80-85%.
3. For diseases like COVID-19, estimates suggested that around 70-80% of the population would need to be vaccinated, but this can vary based on factors like variant transmissibility and vaccination effectiveness.

The exact percentage required for herd immunity can change as new variants emerge and as vaccination strategies evolve. It is crucial to rely on updated research and health guidelines from reputable organizations for the most accurate information.

Recall the percentage of people in a population that need to be vaccinated in order to achieve herd immunity.

Question

Recall the percentage of people in a population that need to be vaccinated in order to achieve herd immunity.

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