Evolutionary Conflict 2

In Evolutionary Conflict, the Demons were winning the war, but Alpha 9 squad reversed that statement by going into Olah's core and destroying it. But there's one more problem. The Infectors are swearing revenge against the Humans. After Olah's destruction, they were low on numbers but it's been a year and they're back. Nobody will see demons anymore. Will the humans survive another war? This is an expansion to Evolutionary Conflict