antigenically

/ˌæntɪˈdʒɛnɪkli/
adverb
  1. In a way that relates to or involves the properties of an antigen or immune response.
    • The virus changed antigenically over time, making previous antibodies less effective.
    • Scientists compared the samples antigenically to see if they would trigger the same immune reaction.
    • The two flu strains are antigenically different, so a new vaccine is needed each year.
What does "antigenically" mean? | whatsthatwordmean | whatsthatwordmean