AUTHOR=Hu Shi-Wei TITLE=Barefoot doctors: A solution to the dilemma of COVID-19 prevention and control in rural areas of economically underdeveloped countries JOURNAL=Frontiers in Public Health VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2022.1020312 DOI=10.3389/fpubh.2022.1020312 ISSN=2296-2565