The world's now scrambling for dry ice. It's just one headache in distributing COVID-19 vaccines

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The "cold chain" is just one of the challenges in distributing vaccines worldwide.
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HOW DRY ICE IS BEING USED. >> IT GOES FROM A GAS TO A LIQUID TO A SOLID. >> IT IS NOT UNCOMMON TO SEE WHAT LOOKS LIKE SMOKE EMANATING. AS WORKERS UNLOAD THE PRODUCT FROM THESE LARGE BLUE CONTAINERS AND PACK IT INTO BOXES TO BE DELIVERED TO CUSTOMERS >> WE BASICALLY CATER TO THE BIOPHARMACEUTICAL COMPANIES AND THE VACCINE MAKER. >> THE PRODUCT ITSELF AND THE WORK OF DISTURBING IS MORE IMPORTANT THAN EVER. >> MORE AND MORE PEOPL ARE GETTING THEIR HANDS ON DRY ICE. DUE IN LARGE PART OF THE COVID-19 VACCINE TRIALS THAT ARE UNDERWAY. MOST VACCINES NEED TO BE KEPT AT AND IS TRULY COLD TEMPERATURE. THAT IS SOMETHING THAT ONLY DRY ICE CAN DO. >> THEY HAVE ALREADY SEEN AN UPTICK IN DEMAND FROM COMPANIES WITH VACCINES IN THE TRIAL PHASE. >> I GOT A CALL AT MY HOUSE THE OTHER DAY THAT SOMEBODY WANTED TO SHARE ABOUT THE VACCINE THE OTHER DAY AND MAKE SURE I COULD GET THERE EARLY ENOUGH IN THE MORNING AND GET AN EXTRA ORDER. YOU HAVE TO BE READY AT ALL TIMES AND BEEBE -- AND BE ON TOP OF YOUR GAME. >> THEY ARE PREPARING FOR A POSSIBLE SURGE ONCE A VACCINE IS GIVEN FINAL APPROVAL. >> IN THE FUTURE, HOPEFULLY WE SEE -80 DEGREES CELSIUS. >> THIS IS FOR THE KEY COMPONENT OF CO2. THERE HAVE TO BE PART OF THAT SUPPLY CHAIN AND SAVE LIVES. WHAT C

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Video above: Massachusetts company seeing surge in dry ice demand due to COVID-19Vaccines like to be kept cool, none more so than the Pfizer candidate for COVID-19, which has to be deep-frozen. And that's going to be an issue for developing countries — and for rural areas in the developed world.There are plenty of others: decisions about priority populations and databases to keep track of who's received what vaccine, where and when. Additionally, different vaccines may have more or less efficacy with different population groups; and governments will need PR campaigns to…
Tim Lister, CNN
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