With the rising economic toll of containment measures, governments are asking whether the cure isn’t worse than the disease. UK Prime Minister Boris Johnson, for example, initially wanted to allow COVID-19 to infect so many people that it would fizzle out on its own for lack of a host. Dr. Paolo Ferrari, chief medical officer of the cantonal hospitals in hard-hit Ticino, says herd immunity is not an option in an unvaccinated population as it would cost too many lives.