The World Health Organization overhauled a webpage on the COVID-19 vaccines that had recommended against children getting vaccinated following online confusion about the difference between its guidance and that of the Centers for Disease Control and Prevention. On a previous version of its website, the WHO stated that “children should not be vaccinated at the moment. There is not yet enough evidence on the use of vaccines against COVID-19 in children to make recommendations for children to be vaccinated against COVID-19.” The recommendation, which had been online for months, drew notice earlier this week from U.S. vaccine skeptics. Rep. Marjorie...