Parents have been denied the right to know the rate of adverse reactions to the Covid-19 vaccination in children.A High Court judge in the UK has sided with government policy to keep secret the number of children who have suffered adverse reactions—including any who have died—as a result of having the vaccine.A mother, identified only as EF, had asked the UK’s Office of National Statistics (ONS) to release the data so that parents can make an informed decision about having their child vaccinated. After the ONS refused, EF took legal action to force it to reveal the numbers, and she...