AUTHOR=Al-Mustapha Ahmad Ibrahim , Oyewo Muftau , Olugbon Abdullateef Saliman , Elelu Nusirat TITLE=A Mix and Match Approach to COVID-19 Vaccinations: Does Nigeria Have a Choice? JOURNAL=Frontiers in Public Health VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2021.755974 DOI=10.3389/fpubh.2021.755974 ISSN=2296-2565