Canada approves Pfizer coronavirus vaccine, will start administering ‘within days’ Thomson and his business partner initially envisioned the company supplying the ultra-cold material to help transport frozen foods, for commercial cleaning applications and to supply the film industry.Canada approved the Pfizer COVID-19 vaccine Wednesday, and on Thursday, officials said the first shipments should arrive by next Monday.Distributing it will come with major logistical hurdles because the vaccine must be stored at -70 C to remain effective.[ Sign up for our Health IQ newsletter for the latest coronavirus updates ]That’s where Thompson’s company Fraser Valley Dry Ice comes in.