Many people have questions or misconceptions about how vaccines work. Explore ASM's content on the science behind vaccines and what ASM is doing to support vaccine and research policy.

Explore ASM's COVID-19 content, from infographics to free access to book chapters and research articles, and keep up to date on our response to the pandemic.

HIV (human immunodeficiency virus) attacks the immune system. Left untreated, it can progress to AIDS (acquired immunodeficiency syndrome). Explore ASM's HIV/AIDS content.