Mia Rabson February 02, 2021 - 3:03 PM OTTAWA - Between July 24 and Oct. 22, Canada signed deals to pre-order seven COVID-19 vaccines. Here's a brief look at what we know about those vaccines, listed by manufacturer. Moderna Headquarters: Cambridge, Mass. About the vaccine: Messenger RNA (ribonucleic acid), a genetic component that carries genetic information of a virus. The mRNA vaccines inject part of the code from the SARS-CoV-2 virus, which then train the immune system to recognize the virus and mount an immune response against it. Moderna partnered with Lonza, which is manufacturing the vaccine. Storage: Vaccine is frozen between -15C and -25C, can be kept in a refrigerator between 2C and 8C for up to 30 days.