
How Do the New Vaccines Work? A Biology Lesson for Grown-Ups
Several COVID-19 vaccines are now available in the United States. These vaccines cause our bodies to produce COVID-19 antibodies, which are natural proteins produced by our immune system to counteract the effect of disease-causing germs. The first two vaccines authorized in the United States are made by Pfizer/BioNTech and Moderna; each of these two vaccines involves two shots, spaced about three weeks apart, and each … Continue reading How Do the New Vaccines Work? A Biology Lesson for Grown-Ups