{"type":"video","version":"1.0","html":"<iframe src=\"https://www.loom.com/embed/16651379a9f8493d97558c5627e3a925\" frameborder=\"0\" width=\"1280\" height=\"960\" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>","height":960,"width":1280,"provider_name":"Loom","provider_url":"https://www.loom.com","thumbnail_height":960,"thumbnail_width":1280,"thumbnail_url":"https://cdn.loom.com/sessions/thumbnails/16651379a9f8493d97558c5627e3a925-00001.jpg","duration":58,"title":"S1 Q50 March 2018","description":"p: According to figure 1, the relative concentration of vaccine-specific antibodies in the germ-free mice 7 days after vaccination was closest to which value?"}