https://apnews.com/0ed734fb507f939d77631f453ccd58fa > BERLIN (AP) — German vaccine maker CureVac said Wednesday that interim data from late-stage testing of its coronavirus shot show a comparatively low effectiveness in protecting people against COVID-19. > The results appear to be a significant setback for CureVac's efforts to develop a coronavirus vaccine, and the company's stock value tumbled in after-hours trading.