The World Health Organization defended the science-based process used to determine childhood immunisation schedules after US President Donald Trump signed an executive order aimed at reducing the number of recommended childhood vaccinations in the United States.⁣ ⁣ Trump called for a reduced childhood vaccination schedule of 11 immunizations to align the United States more closely with other developed countries that recommend fewer shots.⁣ ⁣ However, vaccine experts say that other developed countries that may recommend fewer shots face different disease risks and have different healthcare systems.⁣ ⁣ The order advances a long-standing objective of US Health Secretary Robert F. Kennedy Jr., who has questioned vaccine safety and promoted claims linking vaccines to autism even though scientific studies and public health authorities have found no evidence of a link.⁣ ⁣ WHO spokesperson Tarik Jasarevic told a press briefing in Geneva that vaccination recommendations were based on more than ...