PT - JOURNAL ARTICLE AU - Jonathan Fuller TI - Conceptual lessons for containing an epidemic of questionable COVID-19 counterfactual comparisons AID - 10.1136/jech-2021-216825 DP - 2021 Aug 17 TA - Journal of Epidemiology and Community Health PG - jech-2021-216825 4099 - http://jech.bmj.com/content/early/2021/08/17/jech-2021-216825.short 4100 - http://jech.bmj.com/content/early/2021/08/17/jech-2021-216825.full