flokkimunitet
Flokkimunitet, also known as herd immunity or community immunity, is a form of indirect protection from infectious disease that occurs when a large percentage of a population has become immune to an infection, thereby providing a measure of protection for individuals who are not immune. This immunity can be achieved through vaccination or through a previous infection. When a sufficiently high proportion of the population is immune, the chains of infection are broken, making it difficult for the disease to spread.
The threshold for herd immunity varies depending on the contagiousness of the disease. Highly contagious diseases
Herd immunity does not mean that every individual in the population is immune. There will always be
Achieving and maintaining herd immunity is a primary goal of widespread vaccination programs. When vaccination rates