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Chapter 329: Desperation
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Chapter 331: Blood Brotherhood
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... ur plan B, Worriesgone," I said.
"Vaccines?" Researchina asked, perking up as always when an unfamiliar word and a potential new technology was mentioned.
And I, as always, was happy to share the knowledge stored in my memory.
***
Vaccines used weakened versions of pathogens to activate an immune system against a specific threat. The methods of cultivating and weakening pathogens without destroying them varied, and many required technologies we didn't have.
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