If they hadn’t cooked up the term “bivalent” to make the new mRNA gene therapy juice sound all “sciency”, none of these announcements would have had the proper degree of gravitas and urgency.
Who would want “monovalent” when “bivalent” is available?
For more flavor! The secret is in the flavor crystals.
“Who would want “monovalent” when “bivalent” is available?”
Only a science denier, obviously. Everyone knows mono is one and bi is two and that two is better than one.