Star Trek - TOS 38 Idic Epidemic

Read Star Trek - TOS 38 Idic Epidemic Storyline:

The
Idic Epidemic

I.D.I.C
-- Infinite Diversity in Infinite Combination. More than just a simple credo,
for those of the planet Vulcan it is the cornerstone of their philosophy.

Now,
on the Vulcan Science Colony Nisus, that credo of tolerance is being put to its
sternest test. For here, on a planet where Vulcan, human, Klingon, and
countless other races live and work side by side, a deadly plague has sprung
up. A plague whose origins are somehow rooted in the concept of I.D.I.C.
itself. A plague that threatens to tear down that centuries-old maxim and
replace it with an even older concept.

Interstellar War