{"interactiveVideo":{"video":{"startScreenOptions":{"title":"Why you can't compare vaccines","hideStartTitle":false},"textTracks":{"videoTrack":[{"label":"Subtitles","kind":"subtitles","srcLang":"en"}]},"files":[{"path":"https:\/\/youtu.be\/K3odScka55A","mime":"video\/YouTube","copyright":{"license":"U"}}]},"assets":{"interactions":[{"x":47.81659388646288,"y":46.11650485436893,"width":10,"height":10,"duration":{"from":65.9,"to":66.9},"libraryTitle":"Text","action":{"library":"H5P.Text 1.1","params":{"text":"

Take a few minutes and write down 3 things you think you will learn in this video. You can write them as questions (e.g. What are vaccines supposed to do?) or as a statement (e.g. I think I will learn what vaccines are supposed to do.)<\/p>\n"},"subContentId":"0980ae50-8006-4803-9bad-aed3db41b98c","metadata":{"contentType":"Text","license":"U","title":"Untitled Text"}},"pause":true,"displayType":"button","buttonOnMobile":false,"visuals":{"backgroundColor":"rgb(255, 255, 255)","boxShadow":true},"goto":{"url":{"protocol":"http:\/\/"},"visualize":false,"type":""},"label":"

Predict ideas in video<\/p>\n"},{"x":47.81659388646288,"y":46.11650485436893,"width":10,"height":10,"duration":{"from":80.245,"to":90.245},"libraryTitle":"Text","action":{"library":"H5P.Text 1.1","params":{"text":"

clinical trial = a research study to test new medicines or treatments to see if they are safe and helpful for human health<\/p>\n\n

placebo = a pill, injection or treatment that seems to be a \"real\" medical treatment but is really fake, without anything that affects human health. They are often used in clinical trials to compare the effects of a real treatment.<\/p>\n"},"subContentId":"b4206909-df87-4e3b-88c0-8198186a5468","metadata":{"contentType":"Text","license":"U","title":"Untitled Text"}},"pause":false,"displayType":"button","buttonOnMobile":false,"visuals":{"backgroundColor":"rgb(255, 255, 255)","boxShadow":true},"goto":{"url":{"protocol":"http:\/\/"},"visualize":false,"type":""},"label":"

Vocabulary<\/p>\n"},{"x":47.81659388646288,"y":46.11650485436893,"width":10,"height":10,"duration":{"from":124.79,"to":125.79},"libraryTitle":"Multiple Choice","action":{"library":"H5P.MultiChoice 1.16","params":{"media":{"disableImageZooming":false},"answers":[{"correct":true,"tipsAndFeedback":{"chosenFeedback":"

Yes, that's correct. The medicine did not make any difference. It had zero effect.<\/div>\n","notChosenFeedback":"

Did the medicine make any difference?<\/div>\n","tip":"

Did the medicine make any difference?<\/p>\n"},"text":"

0%<\/div>\n"},{"correct":false,"tipsAndFeedback":{"tip":"

Think about the difference between the two groups.<\/p>\n","chosenFeedback":"

20% of each group got sick, but that's not the efficacy. The efficacy is about the difference between the two groups. In this case, there is no difference.<\/div>\n","notChosenFeedback":""},"text":"

20%<\/div>\n"},{"correct":false,"tipsAndFeedback":{"tip":"

Think about the difference between the two groups.<\/p>\n","chosenFeedback":"

There is no difference between the two groups. That means the medicine had no (zero) effect so it has 0% efficacy.<\/div>\n","notChosenFeedback":""},"text":"

100%<\/div>\n"}],"overallFeedback":[{"from":0,"to":100}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"UI":{"checkAnswerButton":"Check","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"},"question":"

In a clinical trial, 100 people got the medicine being tested and 100 people got a placebo. 20 people who got the medicine being tested got sick and 20 people who got the placebo got sick. What is the efficacy of the medicine?<\/p>\n"},"subContentId":"7f11158f-d1cb-4901-87d2-3f21e111c600","metadata":{"contentType":"Multiple Choice","license":"U","title":"Understanding efficacy"}},"pause":true,"displayType":"button","buttonOnMobile":false,"adaptivity":{"correct":{"allowOptOut":false,"message":""},"wrong":{"allowOptOut":false,"message":""},"requireCompletion":false},"label":"

Efficacy<\/p>\n"},{"x":47.81659388646288,"y":46.11650485436893,"width":10,"height":10,"duration":{"from":234.36599999999999,"to":235.36599999999999},"libraryTitle":"Multiple Choice","action":{"library":"H5P.MultiChoice 1.16","params":{"media":{"disableImageZooming":false},"answers":[{"correct":true,"tipsAndFeedback":{"tip":"

Watch the section beginning at 3:03<\/p>\n","chosenFeedback":"

Yes, Pfizer and Moderna trials took place mostly in the United States, while Johnson and Johnson trials took place in many other countries, mostly in Brazil and South Africa. <\/div>\n","notChosenFeedback":"

Pfizer and Moderna trials took place mostly in the United States, while Johnson and Johnson trials took place in many other countries, mostly in Brazil and South Africa. <\/div>\n"},"text":"

Some took place only or mostly in the USA while others took place in many different countries.<\/div>\n"},{"correct":true,"tipsAndFeedback":{"tip":"

Watch the section that begins at 3:03<\/p>\n","chosenFeedback":"

Pfizer and Moderna trials took place in the summer time in the U.S when infection rates were lower, while Johnson and Johnson trialled their vaccine when infection rates were higher.<\/div>\n","notChosenFeedback":"

Some took place when infection rates were higher.<\/div>\n"},{"correct":true,"tipsAndFeedback":{"tip":"

Watch the section beginning at 3:03<\/p>\n","chosenFeedback":"

Johnson and Johnson's vaccines was trialled in South Africa and Brazil when variants were the most common infections.<\/div>\n","notChosenFeedback":"

Johnson and Johnson's vaccines was trialled in South Africa and Brazil when variants were the most common infections.<\/div>\n<\/div>\n"},"text":"

Some took place when more infectious coronavirus variants were the most common infections in the country.<\/div>\n"},{"correct":false,"tipsAndFeedback":{"tip":"

Think about differences in the situations of the trials.<\/p>\n","chosenFeedback":"

This is a difference in the result not a difference in the situation of the trial.<\/div>\n","notChosenFeedback":""},"text":"

The Pfizer and Moderna vaccines had higher efficacy rates.<\/div>\n"}],"overallFeedback":[{"from":0,"to":100}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"UI":{"checkAnswerButton":"Check","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"},"question":"

What are some of the big differences between the trials?<\/p>\n"},"subContentId":"28dae0b7-9409-45ac-ae5f-c8174eefe5ad","metadata":{"contentType":"Multiple Choice","license":"U","title":"differences between the trials"}},"pause":true,"displayType":"button","buttonOnMobile":false,"adaptivity":{"correct":{"allowOptOut":false,"message":""},"wrong":{"allowOptOut":false,"message":""},"requireCompletion":false},"label":"

Differences between the trials<\/p>\n"},{"x":47.81659388646288,"y":46.11650485436893,"width":10,"height":10,"duration":{"from":289.456,"to":290.456},"libraryTitle":"True\/False Question","action":{"library":"H5P.TrueFalse 1.8","params":{"media":{"disableImageZooming":false},"correct":"false","behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"feedbackOnCorrect":"You're right. The video just said preventing all infections wasn't the real point of a vaccine. Keep listening for what is the real goal of a vaccine.","feedbackOnWrong":"The video just said preventing all infections wasn't the real point of a vaccine. Keep listening for what is the real goal of a vaccine."},"l10n":{"trueText":"True","falseText":"False","score":"You got @score of @total points","checkAnswer":"Check","showSolutionButton":"Show solution","tryAgain":"Retry","wrongAnswerMessage":"Wrong answer","correctAnswerMessage":"Correct answer","scoreBarLabel":"You got :num out of :total points","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"},"question":"

The main goal of a vaccine is to prevent all infections<\/p>\n"},"subContentId":"792dbe0f-fd89-41dd-9a5b-cd168123afb0","metadata":{"contentType":"True\/False Question","license":"U","title":"goal of vaccine"}},"pause":true,"displayType":"button","buttonOnMobile":false,"adaptivity":{"correct":{"allowOptOut":false,"message":""},"wrong":{"allowOptOut":false,"message":""},"requireCompletion":false},"label":"

Goal of vaccine<\/p>\n"},{"x":47.81659388646288,"y":46.11650485436893,"width":10,"height":10,"duration":{"from":341.322,"to":342.322},"libraryTitle":"Multiple Choice","action":{"library":"H5P.MultiChoice 1.16","params":{"media":{"disableImageZooming":false},"answers":[{"correct":false,"tipsAndFeedback":{"tip":"

Listen to what she says at 5:23<\/p>\n","chosenFeedback":"

She says: \"Realistically, that isn't the real objective of Covid-19 vaccines.\"<\/div>\n","notChosenFeedback":""},"text":"

to prevent all infections<\/div>\n"},{"correct":false,"tipsAndFeedback":{"tip":"

Listen at 5:23<\/p>\n","chosenFeedback":"

She mentions \"a cold\" to compare the symptoms of a mild Covid infection. It's nothing serious, nothing to worry about.<\/div>\n","notChosenFeedback":""},"text":"

to make you have a cold<\/div>\n"},{"correct":true,"tipsAndFeedback":{"tip":"

Listen to what she says at 5:23<\/p>\n","chosenFeedback":"

Yes, she says very clearly at 5:30: \"The real objective is to cover these possibilities\"<\/div>\n","notChosenFeedback":""},"text":"

to protect you from severe sickness, hospitalization and death<\/div>\n"}],"overallFeedback":[{"from":0,"to":100}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"UI":{"checkAnswerButton":"Check","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"},"question":"

What is the goal of a vaccine?<\/p>\n"},"subContentId":"1d8f9a8e-e245-4568-b9cf-5c545e95b6b7","metadata":{"contentType":"Multiple Choice","license":"U","title":"Goal of vaccine"}},"pause":true,"displayType":"button","buttonOnMobile":false,"adaptivity":{"correct":{"allowOptOut":false,"message":""},"wrong":{"allowOptOut":false,"message":""},"requireCompletion":false},"label":"

Goal of vaccine<\/p>\n"},{"x":47.81659388646288,"y":46.11650485436893,"width":10,"height":10,"duration":{"from":397.548,"to":398.548},"libraryTitle":"Multiple Choice","action":{"library":"H5P.MultiChoice 1.16","params":{"media":{"disableImageZooming":false},"answers":[{"correct":false,"tipsAndFeedback":{"tip":"

What's the title of this video?<\/p>\n","chosenFeedback":"

No, the video says that all vaccines are equally good at the important goal of preventing severe illness, hospitalization and death.<\/div>\n","notChosenFeedback":""},"text":"

Pfizer BioNTech<\/div>\n"},{"correct":false,"tipsAndFeedback":{"tip":"

What's the title of the video?<\/p>\n","chosenFeedback":"

No, the video says that all vaccines are equally good at the important goal of preventing severe illness, hospitalization and death.<\/div>\n<\/div>\n","notChosenFeedback":""},"text":"

Moderna<\/div>\n"},{"correct":true,"tipsAndFeedback":{"tip":"

What point has she just been making?<\/p>\n","chosenFeedback":"

Yes, they're all equally effective at preventing severe illness, hospitalization and death.<\/div>\n","notChosenFeedback":""},"text":"

all of them are 100% effective so the best vaccine is the first one you're offered<\/div>\n"},{"correct":false,"tipsAndFeedback":{"tip":"

What's the title of the video?<\/p>\n","chosenFeedback":"

No, the video says that all vaccines are equally good at the important goal of preventing severe illness, hospitalization and death.<\/div>\n<\/div>\n","notChosenFeedback":""},"text":"

Johnson and Johnson<\/div>\n"},{"correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""},"text":"

AstraZeneca<\/div>\n"}],"overallFeedback":[{"from":0,"to":100}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"UI":{"checkAnswerButton":"Check","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"},"question":"

Which vaccine is most effective at achieving the goal of preventing severe sickness, hospitalization and death?<\/p>\n"},"subContentId":"f7a9d5d9-cfe1-4b9d-9a1b-88a73b305c63","metadata":{"contentType":"Multiple Choice","license":"U","title":"best vaccine"}},"pause":true,"displayType":"button","buttonOnMobile":false,"adaptivity":{"correct":{"allowOptOut":false,"message":""},"wrong":{"allowOptOut":false,"message":""},"requireCompletion":false},"label":"

Best vaccine<\/p>\n"},{"x":47.81659388646288,"y":46.11650485436893,"width":10,"height":10,"duration":{"from":47.971,"to":48.971},"libraryTitle":"Multiple Choice","action":{"library":"H5P.MultiChoice 1.16","params":{"media":{"disableImageZooming":false},"answers":[{"correct":false,"tipsAndFeedback":{"tip":"

Listen to her intonation in what she just said and listen to the words \"If you only look at these numbers, it's only natural...\". Also, look at the title of the video: \"Why you can't compare Covid-19 vaccines.\"<\/p>\n","chosenFeedback":"

Not correct. Listen to her intonation in what she just said and listen to the words \"If you only look at these numbers, it's only natural...\". Also, look at the title of the video: \"Why you can't compare Covid-19 vaccines.\"<\/div>\n","notChosenFeedback":""},"text":"

... and there are other reasons why these vaccines are better<\/div>\n"},{"correct":true,"tipsAndFeedback":{"tip":"

Yes, she's setting up to say \"but\".<\/div>\n","notChosenFeedback":""},"text":"

... but this idea is wrong<\/div>\n"},{"correct":false,"tipsAndFeedback":{"tip":"

... so people should choose the vaccines with the higher efficacy<\/div>\n"}],"overallFeedback":[{"from":0,"to":100}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"UI":{"checkAnswerButton":"Check","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"},"question":"

What do you think she's going to say next?<\/p>\n"},"subContentId":"c2e87a55-6019-4b7c-894e-1faf527e3d46","metadata":{"contentType":"Multiple Choice","license":"U","title":"predict the next idea"}},"pause":true,"displayType":"button","buttonOnMobile":false,"adaptivity":{"correct":{"allowOptOut":false,"message":""},"wrong":{"allowOptOut":false,"message":""},"requireCompletion":false},"label":"

Predict the next idea<\/p>\n"}],"endscreens":[{"time":422,"label":"7:02 Submit screen"}]},"summary":{"task":{"library":"H5P.Summary 1.10","params":{"intro":"

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All of the available vaccines are 100% effective at preventing serious illness, hospitalization and death so the best vaccine is the first one you can get.<\/p>\n","

Vaccine efficacy measures how effective vaccines are at preventing infection with the disease.<\/p>\n","

The different vaccines were tested in different situations so you can't compare their efficacy.<\/p>\n","

Vaccines are important for ending the pandemic.<\/p>\n"]}],"overallFeedback":[{"from":0,"to":100}],"solvedLabel":"Progress:","scoreLabel":"Wrong answers:","resultLabel":"Your result","labelCorrect":"Correct.","labelIncorrect":"Incorrect! Please try again.","alternativeIncorrectLabel":"Incorrect","labelCorrectAnswers":"Correct answers.","tipButtonLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","progressText":"Progress :num of :total"},"subContentId":"5577705f-c199-4654-b4c7-eb71e2169913","metadata":{"contentType":"Summary","license":"U","title":"Vaccine Efficacy Summary"}},"displayAt":3}},"override":{"autoplay":false,"loop":false,"showBookmarksmenuOnLoad":false,"showRewind10":false,"deactivateSound":false,"preventSkippingMode":"none"},"l10n":{"interaction":"Interaction","play":"Play","pause":"Pause","mute":"Mute","unmute":"Unmute","quality":"Video Quality","captions":"Captions","close":"Close","fullscreen":"Fullscreen","exitFullscreen":"Exit Fullscreen","summary":"Open summary dialog","bookmarks":"Bookmarks","endscreen":"Submit screen","defaultAdaptivitySeekLabel":"Continue","continueWithVideo":"Continue with video","playbackRate":"Playback Rate","rewind10":"Rewind 10 Seconds","navDisabled":"Navigation is disabled","sndDisabled":"Sound is disabled","requiresCompletionWarning":"You need to answer all the questions correctly before continuing.","back":"Back","hours":"Hours","minutes":"Minutes","seconds":"Seconds","currentTime":"Current time:","totalTime":"Total time:","singleInteractionAnnouncement":"Interaction appeared:","multipleInteractionsAnnouncement":"Multiple interactions appeared.","videoPausedAnnouncement":"Video is paused","content":"Content","answered":"@answered answered","endcardTitle":"@answered Question(s) answered","endcardInformation":"You have answered @answered questions, click below to submit your answers.","endcardInformationNoAnswers":"You have not answered any questions.","endcardInformationMustHaveAnswer":"You have to answer at least one question before you can submit your answers.","endcardSubmitButton":"Submit Answers","endcardSubmitMessage":"Your answers have been submitted!","endcardTableRowAnswered":"Answered questions","endcardTableRowScore":"Score","endcardAnsweredScore":"answered","endCardTableRowSummaryWithScore":"You got @score out of @total points for the @question that appeared after @minutes minutes and @seconds seconds.","endCardTableRowSummaryWithoutScore":"You have answered the @question that appeared after @minutes minutes and @seconds seconds."}}

Understanding vaccine efficacy: Why you can't compare Covid-19 vaccines

Mary Anne Peters