Characterization of Two Historic Smallpox Specimens from a Czech Museum
Although smallpox has been known for centuries, the oldest available variola virus strains were isolated in the early 1940s. At that time, large regions of the world were already smallpox-free. Therefore, genetic information of these strains can represent only the very last fraction of a long evolut...
Main Authors: | , , , , , , , , , , , , , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2017-07-01
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Series: | Viruses |
Subjects: | |
Online Access: | https://www.mdpi.com/1999-4915/9/8/200 |