‘On Immunity’ by Eula Biss

By Parul Sehgal, The New York Times Book Review, Oct. 3, 2014

Lucretius said to handle them with caution; Berkeley, not to handle them at all. Aristotle said that too many confound; Locke, that even one can “mislead the judgment”; Hobbes, that their natural end was “contention and sedition, or contempt.” Sontag said simply, they kill.

Pity the poor metaphor, so maligned, so alluring. We’ve been warned repeatedly — and, inevitably, in metaphors — that metaphors can do terrible things. (According to Sontag, the grotesque metaphors attached to AIDS and cancer contributed to their stigma and prevented people from seeking treatment.) And yet, it’s impossible to go without. Supposedly, we use one metaphor a minute, about one metaphor for every 25 words; we seem scarcely able to string together two thoughts without them (there goes one), they cast such clarifying, necessary light (and another).

The essayist Eula Biss is something of a specialist at handling our twitchiest, most combustible metaphors. In her 2009 collection, “Notes From No Man’s Land,” she picked apart the metaphors we’ve used to construct and report on race in America. In her new book, the subtle, spellbinding “On Immunity,” she goes under the skin. She asks why vaccination triggers such anxiety — anxiety so intense it lives in the language: The British call it a “jab,” Americans, a “shot.”

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