Expression of Concern: Head Lice of Pygmies Reveal the Presence of Relapsing Fever Borreliae in the Republic of Congo

This article [1] has been identified as one of a series of submissions for which we have concerns about the reported research ethics approval information and the article’s adherence to PLOS research ethics policies.

PLOS will be investigating these concerns in accordance with COPE guidance and journal policies. Meanwhile, the PLOS Neglected Tropical Diseases Editors issue this Expression of Concern.