ISSN:
1546-170X
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Medicine
Notes:
[Auszug] Approximately 50% of the US population received smallpox vaccinations before routine immunization ceased in 1972 for civilians and in 1990 for military personnel. Several studies have shown long-term immunity after smallpox vaccination, but skepticism remains as to whether this will translate into ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/nm1273
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