Once a vaccine to prevent COVID-19 is approved, there will be logistics to consider. For example, who will receive the vaccine first, and how can the supply chain safely deliver the vaccine to 330 million Americans and potentially more than 7 billion people worldwide? In addition, multiple vaccines may be brought to market within weeks to months of each other, confusing consumers. (Published 9/16/2020)

Vaccines are at the forefront of daily news about COVID-19. Vaccines help prevent diseases that can be dangerous or even deadly by working with the body's immune system. But how exactly do vaccines work? (Published 9/1/2020)