We acknowledge the support of the Ministry of Health, Imo State, the National Association of Patent Medicine Vendors, Imo State Chapter, and the National Association of Seadogs—especially Okechukwu Madukwe, Chijioke Obi, Obinna Igbokwe, Udochukwu Onuegbu, Ikenna Opara, and others—for their support of this work. We also thank the individual PMVs who participated in this study as well as all the research assistants involved. The American Society of Tropical Medicine and Hygiene has waived the Open Access fee for this article due to the ongoing COVID-19 pandemic and has assisted with publication expenses.
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