Tag Archives: doctor Donald Henderson

Dr. Donald Henderson – Surveillance and Containment

According to Wikipedia the origin of smallpox is unknown. The earliest evidence of the disease dates to the 3rd century BCE in Egyptian mummies.The disease historically occurred in outbreaks. Yoruba people blamed the sickness on Sopona. In 18th-century Europe, it is estimated 400,000 people per year died from the disease, and one-third of the cases […]