Frederik Pohl's "The Kindly Isle" (short story, biological weapons, free)

A government agency in cold war era US is building biological weapons for possible use against Russians. One of its researchers has developed a virus that affects a part of the brain that's supposed to drive the infected person nuts, only the effect is a bit different - it makes the infected person irritable & nasty. On the day of his triumph, the scientist vanishes with all the data - so the government no longer has the weapon.

Years later, a colleague sights the scientist on an idle isle, & suspects he has been testing the virus for selling to highest bidder. But subsequent investigation with throw up a completely different direction of his research...

Fact sheet.

First published: Asimov's, November 1984.
Download full text from Baen eBooks.
Rating: A.
Related: Stories of Frederik Pohl.