Star Trek: The Next Generation: The Genesis Wave, book 4 : Genesis Force
John Vornholt2003

The passing of the Genesis Wave has damaged hundreds of worlds in the newly named "Genesis Sector," and chaos reigns throughout that area of space. Each world has been changed in different ways, and a group of extraordinary men and women - some old friends, some new faces - have been assigned the job of getting the devastated planets back on their feet.

Their first job: To resettle an entire displaced alien race on its altered home planet, where the dead come back to life, microbes have reached gigantic size, and the new ecology taking over the world is one fit neither for man nor for genetically altered beast...