The course of self-reported anxiety, depression, and assertion was charted 63 days before 12 students were exposed to a significant war-related stressor as well as 8, 37, and 316 days later. Although the majority of respondents reported higher levels of anxiety and depression as well as lower levels of assertion 8 days after the trauma, the estimates observed 37 and 316 days after the trauma were not significantly different than the estimates observed 63 days before the traumA single-case analysis as well as a series of diagnostic interviews revealed, however, that one of the students developed chronic posttraumatic stress disorder. The results are examined from an epidemiological and etiological perspective.