Predictors of mass psychogenic illness in a junior secondary school in rural Botswana: A case control study.

Background: In March 2019, students at Lempu Secondary School in Kweneng District, Botswana displayed symptoms including headache, abnormal leg movements and difficulty walking. Within days, 133 students were admitted to Scottish Livingstone Hospital where mass psychogenic illness (MPI) was diagnosed.

Aim: To identify predictors of this illness.