600DegreeKelvinBacon t1_iwqe1vb wrote on November 17, 2022 at 3:58 PM Reply to AskScience AMA Series: We're Experts on Influenza (aka the Flu). AUA! by AskScienceModerator Why are flu vaccines only quadrivalent, and not, say, octavalent or more? Permalink 9
600DegreeKelvinBacon t1_iwqe1vb wrote
Reply to AskScience AMA Series: We're Experts on Influenza (aka the Flu). AUA! by AskScienceModerator
Why are flu vaccines only quadrivalent, and not, say, octavalent or more?