An illustration showing a lipid nanoparticle, an important component for the production of coronavirus vaccines.
This 'critical' component for Covid-19 vaccines is in short supply
Vaccinating the world against Covid-19 could take years. Even with several successful vaccines on the market and many more in the pipeline, there simply aren't enough facilities around the world to make them. CNN's Anna Stewart takes a look at what's being done to boost vaccine production. 
03:12 - Source: CNN
Coronavirus and the economy 16 videos
An illustration showing a lipid nanoparticle, an important component for the production of coronavirus vaccines.
This 'critical' component for Covid-19 vaccines is in short supply
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WASHINGTON, DC - DECEMBER 21: People pass a sign that reads "Face Mask Required" in a mall as COVID-19 cases surge in the city on December 21, 2021 in Washington, DC. District of Columbia Mayor Muriel Bowser reinstated the city's indoor mask mandate at 6am on Tuesday and announced a vaccination mandate for government employees after COVID-19 case numbers have surged to a new high. (Photo by Alex Wong/Getty Images)
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NORTH CHARLESTON, SC - JANUARY 14: (L-R) Neil Cavuto and Maria Bartiromo, moderators of the Fox Business Network Republican presidential debate speak to the audience on stage at the North Charleston Coliseum and Performing Arts Center prior to the debate on January 14, 2016 in North Charleston, South Carolina. The sixth Republican debate is held in two parts, one main debate for the top seven candidates, and another for three other candidates lower in the current polls. (Photo by Scott Olson/Getty Images)
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WASHINGTON, DC - JANUARY 22: National Economic Council Director Brian Deese speaks during a White House news briefing, conducted by White House Press Secretary Jen Psaki, at the James Brady Press Briefing Room of the White House January 22, 2021 in Washington, DC. Psaki and Deese discussed various topics including the economic crisis that was caused by the COVID-19 pandemic. (Photo by Alex Wong/Getty Images)
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