A qualitative study examining the impact of COVID-19 on capacity for sustainability of tobacco control programs.

"Declarations Ethics approval and consent to participateThis study received ethical approval from the Washington University in St. Louis Institutional Review Board (IRB#201801196). Informed consent was obtained from participants prior to recording calls. Human guideline or accordance statement All the methods included in this study are in accordance with the declaration of Helsinki. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This study was funded by the National Cancer Institute of the National Institutes of Health under award number R01CA203844. The findings and conclusions in this manuscript are those of the authors and do not necessarily represent the official positions of the National Institutes of Health."

"ClinicalTrials.gov Identifier NCT03598114."