Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Djiena, Achille" or (type any "bookEditor issueEditor" and editor="Djiena, Achille") Add to list Journal Article A1 open access Vaccine effectiveness against infection and onwards transmission of COVID-19 : analysis of Belgian contact tracing data, January-June 2021 Toon Braeye, Laura Cornelissen, Lucy Catteau, Freek Haarhuis, Kristiaan Proesmans, Karin De Ridder, Achille Djiena, Romain Mahieu, Frances De Leeuw, Alex Dreuw, et al. (2021) VACCINE. 39(39). p.5456-5460