Vaccines alone aren’t enough to eradicate a virus—lessons from history

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Vaccines alone aren’t enough to eradicate a virus—lessons from history

Smallpox killed countless millions—300 million people in the 20th century alone—before it was finally declared eradicated on May 8 1980. It was a momentous day, marking what the current director general of the World Health Organization, Dr. Tedros Adhanom Ghebreyesus, called the greatest “public health triumph in world history”.

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