Vaccine

First appearing at TL–5, these drugs help prevent illness if administered once per year by reducing both the chance of contracting a disease and the severity of any disease caught. Vaccines against a single disease are available for Crl5 per inoculation. Vaccines that prevent several similar diseases on the world where they are produced are available at Tech Level of 10 or above for Cr20 per inoculation. A separate vaccine must be taken for each disease Antiviral vaccines are available at Tech Level 10 as well.

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• Imperial Encyclopedia