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pubmed:abstractText |
It is now difficult to manufacture the first-generation smallpox vaccine, as the process could not comply with current safety and manufacturing regulations. In this study, a candidate non-clonal second-generation smallpox vaccine developed by Sanofi-Pasteur from the Lister strain has been assessed using a cowpox virus challenge in mice. We have observed similar safety, immunogenicity and protection (from disease and death) after a short or long interval following vaccination, as well as similar virus clearance post-challenge, with the second-generation smallpox vaccine candidate as compared to the traditional vaccine used as a benchmark.
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