TOPSHOT – Children and their parents wait at an outpatient area at a children hospital in Beijing on November 23, 2023. The World Health Organization has asked on November 23, 2023, China for more data on a respiratory illness spreading in the north of the country, urging people to take steps to reduce the risk of infection. China has reported an increase in “influenza-like illness” since mid-October when compared to the same period in the previous three years, the WHO said. (Photo by Jade Gao / AFP) (Photo by JADE GAO/AFP via Getty Images)