What's the plural form of reactogenicity? Here's the word you're looking for.
Answer
The noun reactogenicity can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be reactogenicity.
However, in more specific contexts, the plural form can also be reactogenicities e.g. in reference to various types of reactogenicities
or a collection of reactogenicities.
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