By Reuters Staff 2 Min Read PARIS (Reuters) -Valneva on Tuesday reported positive results for its COVID-19 vaccine in early stage clinical trials and said it planned to launch a Phase Three trial this month. FILE PHOTO: A woman holds a small bottle labelled with a "Coronavirus COVID-19 Vaccine" sticker and a medical syringe in this illustration taken October 30, 2020. REUTERS/Dado Ruvic The French drugmaker, whose shot uses the technology behind its licensed Japanese encephalitis vaccine, tested its vaccine in 153 adults with three dose levels based on a schedule of two doses with vaccinations three weeks apart. Valneva shares were up 8% in early trading.