This story was originally published by Undark and is reproduced here as part of the Climate Desk collaboration. When the World Health Organization approved a malaria vaccine for the first time in October 2021, it was widely hailed as a milestone. “This is a historic moment,” said WHO director-general Tedros Adhanom Ghebreyesus in a statement that month. The vaccine—dubbed RTS,S—promises a … Continue reading Why It Took 35 Years to Develop the First Malaria Vaccine