Vaccines play an important role in keeping us all healthy. Vaccines save lives by protecting us from serious diseases, like COVID-19, measles, and whooping cough, throughout life. So, it’s important to know the facts about vaccines, immunization, and vaccine-preventable diseases. Learn about how vaccines work and find reliable, easy-to-understand answers to common questions about vaccination. Image Mpox Vaccine Vaccination is an important tool in stopping the spread of mpox. Learn more about the 2-dose JYNNEOS vaccine. Image 2023 Flu Vaccine Toolkit for Small Businesses The best way to prevent respiratory illness in the workplace is by encouraging all employees to stay up-to-date on recommended vaccines. Learn more about the importance of vaccination, as well as ways to help increase vaccine uptake among your staff for the flu, COVID-19, and RSV*. *People using assistive technology may not be able to fully access information in these files. For assistance, contact the HHS Office of Infectious Disease and HIV/AIDS Policy by emailing Ann.Aikin@hhs.gov.