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herd immunity |
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herd immunity [′hərd i‚myü·nəd·ē] (immunology) Immunity of a sufficient number of individuals in a population such that infection of one individual will not result in an epidemic. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Some studies that used mathematical models have suggested substantial community herd immunity effects from vaccinating school-aged children (33). During annual epidemics health care workers are an especially important group to vaccinate to create herd immunity and prevent spread to patients in hospitals and long-term care facilities. Ganiats said the recommendation "could necessarily override patient preference by promoting use of a vaccine that doesn't produce herd immunity and for which the cost is not yet known. |
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