The prevalence of body lice among 2,288 sheltered homeless persons in the city of Marseille during 2000-2017 was 12.2% and significantly decreased over time. We report a positive association between body lice infestations and older age, duration of stays in France for migrants, frequent consumption of alcohol, and tobacco smoking.
Keywords: France; Homeless; North Africa; alcohol; alcoholism; body lice; delousing; ectoparasites; homeless; hygiene; louse; migrant; parasites; poverty; risk factors; shelter; smoking; tobacco.