But current quarantine regulations are not immune to politicisation, and it is in making this point that Mr Harrison's book is most illuminating, though this forms a small part of the overall narrative.

但现行的隔离检疫规程仍然难免要受到政治化的影响，尽管哈里森在通篇叙述中对此着墨不多，但正是对这一方面的论述让本书极具启发性。