This episode discusses four MMWR reports. First, hepatitis A vaccines prevent deaths, but they are still not reaching adults at highest risk. Second, the U.S. firearm homicide rate decreased in 2022, but remained higher than before the COVID-19 pandemic. Third, a Mycobacterium abscessus outbreak is linked to contaminated water and improper infection prevention and control practices. Finally, severe cases of Bartonella quintana infection were detected among people experiencing unsheltered homelessness in New York City.