Czech epidemiologist <a href="https://en.wikipedia.org/wiki/Roman_Prymula" class="extiw" title="w:Roman Prymula">Roman Prymula</a>
Show Jana Krause, <a href="https://cs.wikipedia.org/wiki/FTV_Prima" class="extiw" title="cs:FTV Prima">FTV Prima</a>
CC BY 3.0
screenshot, official YouTube Channel of <i>Show Jana Krause</i>, FTV Prima<br><bdo lang="en" dir="ltr"><a href="//commons.wikimedia.org/wiki/Commons:YouTube_files" title="Commons:YouTube files">YouTube</a>: <a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=pkYah1wxk_I"><bdi lang="">1. Roman Prymula – Show Jana Krause 27. 5. 2020</bdi></a> – View/save archived versions on <a rel="nofollow" class="external text" href="https://web.archive.org/web/*/https://www.youtube.com/watch?v=pkYah1wxk_I">archive.org</a> and <a rel="nofollow" class="external text" href="https://archive.today/https://www.youtube.com/watch?v=pkYah1wxk_I">archive.today</a></bdo>