Earlier quoted context omitted.
> SARS, MERS and so on, which ultimately turned out to be nothingburgers As a reminder, SARS and MERS were contained thanks to massive international effort to identify the spreaders, quarantines (including whole hospitals), and restrictions on air travel.
There's no question that quarantines prevent the spread of disease: there is plenty of question as to whether the disease justifies it; including in the cases of SARS and MERS. For example: most new flus come out of China due to their agricultural practices; building a wall around China until they change the practices and isolating people in the rest of the world population who get it would actually remove the flu fr…
Your example of the flu is interesting. If humanity had modern resources to fight the ur-flu would it be worth the effort? How many lives would be saved over the generations if the flu hadn't become a common threat?