DescriptionGlobal number of reported smallpox cases (1920-2016).svg
English: Graph showing global number of reported smallpox cases.
The number of reported cases is lower than the number of actual cases. This is due to limited testing and reporting and challenges in the attribution of the cause of death.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
https://creativecommons.org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue
Captions
Add a one-line explanation of what this file represents