Chad Hill thinks some questions need to be asked about vaccines. Hill has harbored doubts about the COVID-19 vaccine since it was introduced, due to how quickly it was developed and released. He suspects that medical experts who pushed the vaccine were compromised by ties to drugmakers. And he supported Health Secretary Robert F Kennedy Jr's decision to fire a federal vaccine advisory panel. When it comes to childhood vaccinations, a mainstay of US public health for decades, Hill's three teenage kids were unharmed by the shots that were required to attend school in their state of Ohio. But he is concerned that combined shots such as the measles-mumps-rubella immunisation might be "too much" for young children and he worries...