Scientists work in VIDO-InterVac's (Vaccine and Infectious Disease Organization-International Vaccine Centre) containment level 3 laboratory, where the organization is currently researching a vaccine for novel coronavirus, at the University of Saskatchewan in Saskatoon, Saskatchewan, Canada October 18, 2019. Picture taken October 18, 2019. David Stobbe/VIDO-InterVac/University of Saskatchewan/Handout via REUTERS. NO RESALES. NO ARCHIVES. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY.