http://www.sciencemag.org/news/2021/06/what-went-wrong-curevac-s-highly-anticipated-new-mrna-vaccine-covid-19 > Peter Kremsner of University Hospital Tübingen injects a participant in CureVac's efficacy study with the company's COVID-19 vaccine candidate or a placebo. > Science’s COVID-19 reporting is supported by the Heising-Simons Foundation.