This winter,there is a new and very hopeful COVID-19 number for everyone to track: the total number of vaccine doses that own been administered in the United States. whether 80 percent of Americans will roll up their sleeves in the coming months and accept the two-dose vaccination, we can greatly late the spread of the SARS-CoV-2 coronavirus in our communities and bring this horrible pandemic to an end in 2021.
Source: nih.gov