Smallpox was one of the biggest killers in the history of humanity. This is the story of how we eradicated it. Are there lessons for us now? | BBC

623K views · 1.2K reactions | The monkeypox virus is a less-severe cousin of the smallpox virus. Dr Sanjay Gupta explains its history, how it spreads, and the symptoms. https://cnn.it/3a0Tve1 | CNN | Facebook

On this day 40 years ago, smallpox was made history. It's the only human disease to be eradicated so far. A lesson we must take is: when the world unites behind science and public health measures we can defeat diseases and protect lives and livelihoods. | World Health Organization (WHO)