Smallpox was globally eradicated in the 1970s. Any case of smallpox means a bioterrorism event. Blisters (vesicles) develop all at the same stage, in contrast to chickenpox, where lesions are in different forms at the same time.  The blisters of smallpox are always at the same stage at the same time.
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Smallpox (Variola)  Information for adults

Picture of Smallpox (Variola): Smallpox was globally eradicated in the 1970s. Any case of smallpox means a bioterrorism event. Blisters (vesicles) develop all at the same stage, in contrast to chickenpox, where lesions are in different forms at the same time.  Divider line
Smallpox was globally eradicated in the 1970s. Any case of smallpox means a bioterrorism event. Blisters (vesicles) develop all at the same stage, in contrast to chickenpox, where lesions are in different forms at the same time.
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Self-Care Guidelines
If you suspect you have been exposed to smallpox, call your doctor. If you are diagnosed with smallpox, follow your doctor's instructions. Keep lesions clean and covered, and do not pick off scabs.
When to Seek Medical Care
If you have been exposed to smallpox or think you have smallpox, you should immediately call your doctor to discuss your care. Your doctor will recommend that you remain quarantined (stay at home without contact with any other people) and will help you arrange vaccination and treatment.
Last Modified: 22 Dec 2008