The howling wolf outside: the psychosis killing Russians

What is causing this crippling paranoia of the West?

The wind sweeps in low across the thick snows and weeps around the edges of the village. In the dark thickets of the Siberian forests, nothing meets the glimmer of gaslight but the slur of night and the unforgiving cold. And somewhere, unseen, sweating and licking and heaving and hungry and wanting, lies the wolf.