Erratum to: COVID-19 epidemic: disentangling the re-emerging controversy about medical facemasks from an epidemiological perspective

Under “Question 2”, the sentence beginning “There has been largely consistent randomized controlled trial (RCT) evidence in health care…” did not acknowledge observational studies and should have read “There has been largely consistent evidence from randomized controlled trials (RCTs) and obse rvational studies in health care…”.
Source: International Journal of Epidemiology - Category: Epidemiology Source Type: research