Cybill Shepherd at 76: Reflecting on Her Remarkable Career and Enduring Bond with Bruce Willis

Vaccines have been one of the most significant public health achievements in modern history, helping prevent millions of illnesses and deaths around the world. Over the past century, advances in medical research have transformed the way vaccines are developed, tested, and distributed.

Diseases that once caused widespread outbreaks and claimed countless lives have become far less common in many parts of the world because of routine immunization programs.