nonavalent
English
Etymology
nona- + -valent
Adjective
nonavalent (not comparable)
- (chemistry) Having an atomic valence of 9.
- (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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