I've just made 1,000 children severely ill. Less than five minutes into Trolley Problem, Inc and I feel like a total scumbag. In my defence, an endemic among kids threatened the masses, and, when asked to choose between rolling out a vaccination programme or to decline one, the decision felt like a no-brainer. Before green-lighting the initiative, granted, I was told that clinical trial data suggested one in five children would become "severely ill" after the jab, amounting to 1,000 sick kids every week – a sickness described as "much worse than t...