By Mary Costello and Sina Mossayeb
Good news here!
The US has already achieved its target of 100 million Americans vaccinated in 100 days. Cities, towns and states across the country have pulled off an amazing effort supported by huge teams of volunteers and healthcare professionals who have enlisted stadiums, clinics, mobile transport and public buildings to accomplish their goal. Despite a wide range of processes for rolling out the vaccine, there is one thing they have in common —the registration for the vaccine itself has been anything but simple.