COVID-19 vaccination is now offering a way to transition out of this phase of the pandemic. Without them, many scientists believe that natural herd immunity would not have been sufficient to restore society to its normal status quo and that it would have resulted in extreme fatality. This is something that has been echoed by many health organizations including the WHO. In a scenario without access to vaccines, strict behavioral measures may have had to remain for the foreseeable future.
Fortunately, the beginning of 2021 saw numerous vaccines given emergency approval and begin their roll out in countries across the world. It gives hope of a return to ‘normal’. However, global COVID-19 vaccination faces several challenges which may impact its success.