Theory versus practice, bacteriological efficiency versus personal habits: A bacteriological and user acceptability evaluation of filtering tools for people who inject drugs.

Low product retention and ease of use are the two most important factors for filters for PWID. Bacterial and fungal risk filtration is less important. It is essential to educate PWID about the benefits of wheel filters. [Jauffret-Roustide M, Chollet A, Santos A, Benoit T, Péchiné S, Duplessy C, Bara J-L, Lévi Y, Karolak S, Néfau T. Theory versus practice, bacteriological efficiency versus personal habits: A bacteriological and user acceptability evaluation of filtering tools for people who inject drugs. Drug Alcohol Rev 2018;37:106-115].