Vaccines work by equipping our immune systems to fight an invading virus. When we get vaccinated against COVID-19, specialized immune cells known as B cells learn to recognize the virus. If we subsequently get infected with COVID, these B cells will quickly manufacture antibodies to attack and destroy the virus. However, because the mRNA vaccines developed for COVID-19 are so new, researchers did not know exactly which B cells were called into action.
This article was originally published on MedicalXpress.com
