<https://www.linuxfoundation.jp/#/schema/person/11ef10967b6149abec3350263a070ef1>
<http://schema.org/url>
<https://www.linuxfoundation.jp/author/lfj-editor/>
<https://www.linuxfoundation.jp/blog/2021/06/adoption-of-a-covid-19-vaccine-required-approach-for-our-fall-2021-event-line-up/>