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.

In Sept. 1921, schools in New York City were opening in the midst of an enormous diphtheria outbreak. Are there lessons for schools opening 100 years later during record-breaking COVID-19 surges?

Recent outbreaks of yellow fever have pushed the World Health Organization (WHO) to investigate the efficacy of fractional vaccine doses for increasing access and lowering outbreak potential.