Much has been discussed about how booster vaccines can help their recipients, but widespread boosters may also provide benefits for everyone.
Amidst all the talk about herd immunity, how to get there and whether we will, I wanted to explore what happens after we reach it.
As you read this, millions of people around the world are making antibodies against SARS-CoV-2. None of those people were born with a gene for those specific antibodies. Yet in just a couple of weeks following exposure to the virus–or now, one of its proteins via a vaccine–their immune systems can make antibodies that bind tightly and very specifically to the outside of the coronavirus, inhibiting its ability to infect their cells.