04/27/2026
💉 World Immunization Week begins 💉
Vaccines have long been one of the most powerful tools in public health. Over the last 50 years, vaccines have saved more than 150 million lives — not by accident, but because ordinary people made the decision to protect themselves, their children and one another.
That’s 6 lives every minute, every day, for five decades.
Those choices to vaccinate have contributed to a 40% improvement in infant survival during that time and protected tens of millions of children from lifelong
disabilities.
Under the theme, “For every generation, vaccines work”, WIW 2026 aims to promote how vaccines have safely protected people, families, and communities for generations – and continue to safeguard our future.