Fig. 1
From: COVID-19 transmission during swimming-related activities: a rapid systematic review

Study selection for the COVID-19 L·OVE platform search. aRecords are de-duplicated by an algorithm that compares unique identifiers (database ID, DOI, trial registry ID), and citation details (i.e. author names, journal, year of publication, volume, number, pages, article title, and article abstract). bThree of these were guidance documents, two of which were included in the review of strategies