According to USA Today, the vaccine supply chain is incredibly complex. 

We don’t know when a COVID-19 vaccine will arrive, but we’re starting to know how it will be distributed. Interviews with logistics experts, immunization professionals and pharmaceutical distribution specialists, together with recent U.S. Centers for Disease Control and Prevention planning documents, give a clearer picture of how coronavirus vaccines will get from manufacturers into the arms of millions of Americans.

Recent cracks in the US microelectronics supply chain have lead the Defense Department to use its DARPA program to find ways to secure the US supply chain, reports HPC Wire. 

A three-year-old Defense Department electronics initiative is bearing fruit in the form of public-private partnerships in areas ranging from post-Moore’s law chip architectures to the growing national security requirement of securing the microelectronics supply chain.

According to Forbes, the next big test of the world’s supply chains is distributing the vaccine.

Remember when hand sanitizers and toilet paper became a metaphor for safety in March? When we all thought there was a supply chain crisis when we weren’t allowed to buy two maxi packs at once in the store?