Mpox: Almost gone in the US, leaving lessons and mysteries in its wake

Mpox is almost gone in the US, leaving lessons and mysteries in its wake | CNN The US public health emergency declaration for mpox, formerly known as monkeypox, ends Tuesday. Brenda Goodman CNN

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Experts say the outbreak has taught the world a lot about this infection, which had only occasionally been seen outside Africa.

But even with so much learned, there are lingering mysteries too – like where this virus comes from and why it suddenly began to spread from the Central and West African countries where it’s usually found to more than 100 other nations.

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