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Continue to ChatYou have the message and then you have the little stem that holds it up. The message can change but the stem is the same, and this peptide targets the stem of the hemagglutinin, that's why it's very efficient. - Joshy Jacob from https://whatsmyquote.com/quote/you-have-the-message-and-then-you-have-the-little-stem-that-holds-it-up-the-message-can-change-but-the-stem-is