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'''Community immunity''' is having a large percentage of the population immune to a disease in order to prevent the spread of that disease infectious diseases. Even individuals not immune are offered some protection because the disease has little opportunity to spread within the community. This is also known as herd immunity.<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#c</ref> The thresholds for herd immunity to protect against various diseases range from 85% to 94% vaccination rates.<ref>http://www.bt.cdc.gov/agent/smallpox/training/overview/pdf/eradicationhistory.pdf</ref>
'''Community immunity''' is having a large percentage of the population immune to a disease in order to prevent the spread of that disease infectious diseases. Even individuals not immune are offered some protection because the disease has little opportunity to spread within the community. This is also known as herd immunity.<ref>https://www.cdc.gov/vaccines/about/terms/glossary.htm#c</ref> The thresholds for herd immunity to protect against various diseases range from 85% to 94% vaccination rates.<ref>http://www.bt.cdc.gov/agent/smallpox/training/overview/pdf/eradicationhistory.pdf</ref>
==References==
==References==