Here are the major hurdles ahead for COVID-19 vaccine distribution in the US

From people's trust to extreme storage requirements, finding a vaccine is just the beginning. Pfizer and BioNTech and Moderna's announcements that the initial tests of their vaccines are over 90% effective have riled-up markets around the world, giving many people hope that the coronavirus pandemic may soon come to an end. However, as Jessica Glenza highlights in the Guardian, transparency, trust, the capacity to storage in deep freeze temperatures, and a nursing shortage are just some of the challenges the US will face in gaining herd immunity through massive vaccination.