Making a COVID-19 vaccine is a challenge. But distributing the vaccine could be the biggest logistical undertaking in human history.
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Big pharmacy chains start giving COVID vaccines today
But it's not as easy as just showing up at a store and expecting to get a shot.
Online COVID vaccination sign-up poses hurdles for vulnerable populations
Especially the elderly and marginalized communities.
Last-minute COVID vaccine appointments raise questions about equity
States like Tennessee are learning about the perils of scheduling vaccinations while vaccine supply is unpredictable.
How vaccination is going in Appalachia
Health systems are having to coordinate coronavirus vaccines across state lines.
Simmering tensions over EU vaccine distribution threaten to boil over
The 27-nation bloc is battling with manufacturers over its spot in the priority list for receiving COVID vaccines.
The cost of "vaccine nationalism": $9 trillion
With shortfalls in vaccine supplies, countries across the world are concerned about getting their fair share of doses.
Corporations offer to help with vaccine rollout
Some of these companies have expertise, resources or logistical capacity that the federal government may lack.
China's vaccine diplomacy begins critical test in Brazil
China has been aggressively promoting its COVID-19 vaccines around the world — to provide a public good, boost its pharmaceutical industry and gain geopolitical allies.
Logistical challenges just beginning for nation's vaccination drive
As eligibility expands, the tasks involved in scheduling and managing distribution become more complex.
New vaccine plan looks to reward more efficient states with more doses
Critics say the new approach won't address underlying problems some states are having with vaccine rollout.