FILE PHOTO: A woman holds a small bottle labeled with a "Coronavirus COVID-19 Vaccine" sticker and a medical syringe in front of displayed Pfizer logo in this illustration taken, October 30, 2020. REUTERS/Dado Ruvic/File Photo
* Vaccine candidate was found to be more than 90% effective in preventing COVID-19 in participants without evidence of prior SARS-CoV-2 infection in the first interim efficacy analysis
* Analysis evaluated 94 confirmed cases of COVID-19 in trial participants
