Trabalho publicado na revista Nature, no dia 13 de maio de 2020 (<a rel="nofollow" class="external free" href="https://www.nature.com/articles/s41586-020-2281-1">https://www.nature.com/articles/s41586-020-2281-1</a>),  um grupo de pesquisadores norte-america...
<a rel="nofollow" class="external text" href="https://www.youtube.com/channel/UC5Bh3Ljo71O9uML6paQVAfQ">Canal Butantan</a>
CC BY 3.0
<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=IUP8kidr8RI"><bdi lang="">Por que a procura por vacinas tem diminuído?</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=IUP8kidr8RI">archive.org</a> and <a rel="nofollow" class="external text" href="https://archive.today/https://www.youtube.com/watch?v=IUP8kidr8RI">archive.today</a></bdo>