We often focus on the immunization schedule for infants and small children. However, adults also benefit from rolling up their sleeves—sometimes annually.
“Some viruses are very stable over time and don’t change,” says Dr. Linda Yancey, MD, an infectious disease specialist with Memorial Hermann. “This is why the hepatitis B vaccine series is only needed once in a lifetime. Other viruses change rapidly over time so we need updated vaccines on a more regular basis.”