This content is Subscriber-Exclusive
You must have a National Geographic subscription to explore this article.
Why smallpox vaccines fell out of use—and what that means for monkeypox
Smallpox vaccines have been approved for monkeypox. But experts warn that many questions remain about the protection they provide and how to best administer them.
Members of the Association of French Models line up for their smallpox vaccinations, October 2, 1955. A mass vaccination campaign led to the eradication of smallpox in 1980. Although the vaccine is no longer routine, it's in demand once again during the monkeypox outbreak.
Read This Next
Go Further
Animals
- How can you tell if a wild animal really needs your help?How can you tell if a wild animal really needs your help?
- Fireflies are vanishing—but you can help protect themFireflies are vanishing—but you can help protect them
- Could this simple plan save Africa's most mysterious cat?Could this simple plan save Africa's most mysterious cat?
- This ray is vanishing from our oceans—and being made into jewelryThis ray is vanishing from our oceans—and being made into jewelry
- Why 4 dead California sea otters have scientists so alarmedWhy 4 dead California sea otters have scientists so alarmed
- SeaWorld allegedly violated the Animal Welfare Act. Why is it still open?SeaWorld allegedly violated the Animal Welfare Act. Why is it still open?
Environment
- Seaweed may play a big role in the fight against climate changeSeaweed may play a big role in the fight against climate change
- Is banning fishing bad for fishermen? Not in this marine reserveIs banning fishing bad for fishermen? Not in this marine reserve
- Dust storms are getting worse—here’s why they’re so destructiveDust storms are getting worse—here’s why they’re so destructive
- Japan poised to release nuclear wastewater into the PacificJapan poised to release nuclear wastewater into the Pacific
History & Culture
- From police raids to pop culture: The history of modern dragFrom police raids to pop culture: The history of modern drag
- How the Stonewall uprising ignited the pride movementHow the Stonewall uprising ignited the pride movement
- They were seeking a mythical oasis—and found a Stone Age surpriseThey were seeking a mythical oasis—and found a Stone Age surprise
- Why do we celebrate Memorial Day? A brief history of the holidayWhy do we celebrate Memorial Day? A brief history of the holiday
Science
- At 64, Diana Nyad swam from Cuba to Florida. How'd she do it?At 64, Diana Nyad swam from Cuba to Florida. How'd she do it?
- A ‘kitten-otter-bear’? Identifying a very strange skeletonA ‘kitten-otter-bear’? Identifying a very strange skeleton
- Fossils reveal predator's struggle to survive mass extinctionFossils reveal predator's struggle to survive mass extinction
- You can't detox your uterus—debunking popular myths about PCOSYou can't detox your uterus—debunking popular myths about PCOS
Travel
- 5 unmissable foods that unlock Jordan’s culinary scene
- Paid Content for Advertiser
5 unmissable foods that unlock Jordan’s culinary scene - Is America’s first wilderness area still wild at heart?Is America’s first wilderness area still wild at heart?