Summary
A procedure is reported for the elimination of at least 95% of hens' egg protein impurities from inactivated influenza vaccine, by selective molecular filtration through a membrane with a cut-off limit of 1×106 daltons.
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Valeri, A., Gazzei, G., Morandi, M. et al. Large-scale purification of inactivated influenza vaccine using membrane molecular filtration. Experientia 33, 1402–1403 (1977). https://doi.org/10.1007/BF01920208
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DOI: https://doi.org/10.1007/BF01920208