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nonavalent

From Wiktionary, the free dictionary

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English

Etymology

From nona- +‎ -valent.

Adjective

nonavalent (not comparable)

English Wikipedia has an article on:
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  1. (chemistry) Having an atomic valence of 9.
  2. (medicine) Having a vaccine valence of 9.
    • 2015 April 2, Anna-Lise Williamson, Jane Grant-Kels, “The Interaction between Human Immunodeficiency Virus and Human Papillomaviruses in Heterosexuals in Africa”, in Journal of Clinical Medicine‎, volume 4, →DOI:
      The Merck nonavalent HPV vaccine that is currently being tested would be better than both of these, because it protects from infection from 9 HPV types but would still not impact on all HPV types.
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