https://www.siliconvalley.com/2021/09/03/why-a-covid-19-vaccine-for-younger-children-is-taking-longer-than-a-vaccine-for-adults/ > Anxiety is high among parents as more kids head back to school without the protection of a Covid-19 vaccine for at least a few more months. > Parents have a reason to be concerned. After months of declining cases, the virus is finding the unvaccinated.