NEW TREASURE Stage3 Lesson5「The History of Vaccine Development」関連｜WHO天然痘根絶史・副詞節32問【全解説】

[1] Long before modern health care existed, people had tried different methods of protecting communities from infectious diseases. Some methods used in earlier centuries involved serious risks. Modern readers should therefore approach historical descriptions as information about the past, not as instructions that would be safe or ethical to follow today.

[2] In 1796, the English physician Edward Jenner carried out work that became an important milestone in the history of smallpox vaccination. The World Health Organization includes this date in its account of vaccination history. A milestone in scientific research, however, is not the same as the immediate development of a complete public health system for every country.

[3] Later generations faced different questions. How could researchers collect reliable evidence? How should safety be assessed? How could people around the world receive the benefit of scientific knowledge? These questions required careful study and coordinated work rather than a single impressive demonstration. Research ethics also developed over time, and actions once described in historical accounts may be unacceptable under modern standards.

[4] A student studying this history needs to distinguish four things: an early idea, research that tests it, an organized effort to implement a solution, and later evidence about the results. A history lesson can explain why an event matters without promising that a discovery works perfectly for every individual. For personal health questions, readers should rely on current official guidance and qualified health professionals, not on experiments described in a historical story.

1. Q1. 本文が昔の病気対策をそのまま再現しないよう注意する理由は。

   正解・WHO資料または本文の根拠

   解答例：Some old practices involved serious risks and would not meet modern standards.

   解説：第1段落。歴史の記述は安全な実施案内ではない。

2. Q2. Edward Jennerに関連する年は。

   正解・WHO資料または本文の根拠

   解答例：1796.

   解説：第2段落、WHOの歴史上の節目。

3. Q3. Jennerの研究と関係する病気は。

   正解・WHO資料または本文の根拠

   解答例：Smallpox.

   解説：天然痘。

4. Q4. 科学上の節目と何が同じではないと説明されるか。

   正解・WHO資料または本文の根拠

   解答例：A complete public health system available to everyone.

   解説：一つの発見は世界への実装とは違う。

5. Q5. 後世の研究で重要になった問いを一つ挙げる。

   正解・WHO資料または本文の根拠

   解答例：How evidence was collected or how safety was assessed.

   解説：第3段落。根拠や安全評価。

6. Q6. 研究倫理について何が変化したか。

   正解・WHO資料または本文の根拠

   解答例：Standards and expectations developed over time.

   解説：歴史上の行動を現代の倫理と同一視しない。

7. Q7. 歴史の学習で分けるべき四段階のうち二つを挙げる。

   正解・WHO資料または本文の根拠

   解答例：An early idea and research that tests it.

   解説：ほかにimplementationとlater evidenceもある。

8. Q8. この英文は個別の医療判断の助言か。

   正解・WHO資料または本文の根拠

   解答例：No. It is a historical reading exercise.

   解説：医療判断は資格を持つ専門家と現行の公式情報に基づく。

[1] One of the best-known achievements in the history of public health is the worldwide eradication of smallpox. This result was not announced immediately after early vaccination research. Many decades of international work separated the beginning of vaccine science from the eventual worldwide declaration.

[2] In 1967, the World Health Organization began an intensified smallpox eradication program. The work included vaccination programs, surveillance, and coordination between countries. Its goal was worldwide rather than limited to a single town or region. Although progress was made, declaring a disease eradicated required more than observing fewer cases.

[3] WHO’s historical account identifies 1977 as the year of the last known naturally occurring case of smallpox, recorded in Somalia. In 1980, the World Health Assembly formally declared smallpox eradicated. The gap between the two dates does not mean that the later declaration was unnecessary. Rather, checking information across countries was part of the process of verifying such a far-reaching conclusion.

[4] The terms elimination and eradication need to be read carefully. Elimination concerns interruption of transmission in a specified geographical area. Eradication is a worldwide concept. If a student reads that a disease has been eliminated in one area, the student should not write that it has been eradicated everywhere unless there is evidence for that larger claim. The history demonstrates how precise language can help a reader understand the difference between an observation and an officially verified global result.

9. Q9. WHOの天然痘根絶強化計画の開始年は。

   正解・WHO資料または本文の根拠

   解答例：1967.

   解説：第2段落。

10. Q10. 計画で重要だった活動を二つ挙げる。

    正解・WHO資料または本文の根拠

    解答例：Vaccination programs and surveillance.

    解説：ほかに国際協力も挙げられる。

11. Q11. 最後の既知の自然発生症例が記録された年は。

    正解・WHO資料または本文の根拠

    解答例：1977.

    解説：第3段落。

12. Q12. 最後の既知の自然発生症例が記録された国は。

    正解・WHO資料または本文の根拠

    解答例：Somalia.

    解説：WHO公式歴史資料。

13. Q13. 根絶を正式に宣言した年は。

    正解・WHO資料または本文の根拠

    解答例：1980.

    解説：世界保健総会による宣言。

14. Q14. 1967年と1980年の年号差は。

    正解・WHO資料または本文の根拠

    解答例：Thirteen years.

    解説：1980−1967＝13。

15. Q15. 1977年の最後の症例だけで世界的な確認作業が不要になったか。

    正解・WHO資料または本文の根拠

    解答例：No. International verification was still necessary.

    解説：観測・検証・公式宣言を区別する。

16. Q16. eliminationとeradicationの最も重要な違いは。

    正解・WHO資料または本文の根拠

    解答例：Elimination is regional; eradication is worldwide.

    解説：対象となる地理的範囲が違う。

[1] A fictional school planned an English exhibition about scientific discoveries. Its first draft contained a dramatic headline: ‘Smallpox disappeared from the world in 1796.’ The teacher asked the students to identify the source of the date. A student found that 1796 was connected to Jenner’s early work, not to the formal eradication of smallpox from the world.

[2] The group checked the World Health Organization’s history and revised its timeline. It included four clearly labeled milestones: early vaccination work in 1796, an intensified WHO campaign beginning in 1967, the last known natural case in 1977, and the official declaration in 1980. Students then placed a short explanation beside each year. The revised display described different kinds of events instead of pretending they had all occurred together.

[3] Another pupil suggested adding the sentence ‘Every vaccine provides complete protection to everyone.’ The other students questioned the claim because it was too broad and was not supported by the historical information they had examined. Their project focused on history and public-health communication, not individual medical recommendations. Rather than make a statement beyond their evidence, they invited readers to consult qualified professionals and current official guidance for personal medical questions.

[4] The final exhibition received favorable comments because its timeline was easier to follow. The students did not conclude that every visitor had mastered the history. They had not tested everyone’s understanding. They did, however, learn that accurate dates, careful qualifications, and clearly named sources could make a scientific achievement more understandable without exaggeration.

17. Q17. 初稿の見出しにあった年号の誤解は。

    正解・WHO資料または本文の根拠

    解答例：It confused the 1796 research milestone with worldwide eradication.

    解説：研究と世界的根絶は同じ年ではない。

18. Q18. 1796年に置くべき出来事は。

    正解・WHO資料または本文の根拠

    解答例：Jenner’s early vaccination work.

    解説：初期の研究。

19. Q19. 1967年の出来事は。

    正解・WHO資料または本文の根拠

    解答例：The beginning of an intensified WHO campaign.

    解説：根絶の強化計画。

20. Q20. 1977年の出来事は。

    正解・WHO資料または本文の根拠

    解答例：The last known naturally occurring smallpox case.

    解説：自然発生症例の記録。

21. Q21. 1980年の出来事は。

    正解・WHO資料または本文の根拠

    解答例：The official eradication declaration.

    解説：世界保健総会による根絶宣言。

22. Q22. 全てのワクチンが全員に完全な予防効果という主張を避けた理由は。

    正解・WHO資料または本文の根拠

    解答例：It was too broad and unsupported by the sources.

    解説：歴史資料だけで個別効果を一般化できない。

23. Q23. 個人の医療判断に必要なものは。

    正解・WHO資料または本文の根拠

    解答例：Current official guidance and qualified healthcare professionals.

    解説：この記事自体は医療の助言ではない。

24. Q24. 最終展示が分かりやすくなった主な理由は。

    正解・WHO資料または本文の根拠

    解答例：It distinguished milestones and cited reliable sources.

    解説：年・出来事・証拠を結びつけて伝えた。

25. Q25. 『研究は進んだが、世界的な根絶はすぐではなかった』をalthoughで。

    英文モデル・副詞節の意味と文法

    モデル：Although research progressed, worldwide eradication was not immediate.

    解説：althoughは譲歩を示す。

26. Q26. 『結果が検証できるように監視が続いた』をso thatで。

    英文モデル・副詞節の意味と文法

    モデル：Surveillance continued so that the results could be verified.

    解説：so thatは目的を表す副詞節。

27. Q27. 『WHOの計画が始まったとき』をwhenで。

    英文モデル・副詞節の意味と文法

    モデル：When the WHO program began, …

    解説：whenは時を表す従属節を作る。

28. Q28. 『出典を確かめない限り断定すべきではない』をunlessで。

    英文モデル・副詞節の意味と文法

    モデル：We should not make a definite claim unless we check the sources.

    解説：unlessに否定の意味が含まれる。

29. Q29. 『発見と根絶は異なるため、年表を修正した』をbecauseで。

    英文モデル・副詞節の意味と文法

    モデル：They revised the timeline because discovery and eradication were different events.

    解説：becauseは理由を説明する。

30. Q30. 『1977年の症例が報告された後、確認が続いた』をafterで。

    英文モデル・副詞節の意味と文法

    モデル：After the case was reported in 1977, verification continued.

    解説：出来事の前後を示す。

31. Q31. 『初期の結果が有望でも、追加の証拠が必要な場合がある』をeven ifで。

    英文モデル・副詞節の意味と文法

    モデル：Even if early results appear promising, more evidence may be necessary.

    解説：仮に〜でも、という譲歩・条件。

32. Q32. 1796・1967・1977・1980を使い40〜55語の英語要約を書く。

    英文モデル・副詞節の意味と文法

    モデル：Jenner’s work in 1796 was an early landmark in smallpox vaccination. WHO started an intensified eradication campaign in 1967. The last known natural case occurred in 1977, and global eradication was declared in 1980. The dates describe research, international work, observation, and verification.

    解説：4つの節目を混同せずに説明する。