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B lineage mismatch prompted introduction of quadri-valent influenza vaccines (QIV) with two influenza B viruses representing distinct antigenic lineages. To explore the impact on antibody induction and vaccine effectiveness predicted from antibody (VEab), we performed a systematic literature search on immunogenicity studies conducted to assess antibody superiority of QIV over trivalent influenza vaccine...
Three papers by Hoskins and collaborators published in The Lancet in the 70s, have been challenging the common policy to annually vaccinate people at risk with inactivated influenza virus vaccine. From an analysis of a vaccination campaign in adolescent pupils of a boarding school and four influenza outbreaks in the period 1970-76, Hoskins et al. concluded that annually repeated vaccinations would...
Three cohort studies in adults were performed during the periode from 1986 to 1989. Eight hundred and eighty-four subjects were, one or more times, immunized with influenza vaccines, and pre- and post-vaccination antibody titres were determined by hemagglutination inhibition tests. One thousand and one hundred and nineteen vaccination events in 681 subjects could be analysed by a comparison, per...
One hundred and fifty-three nursing home residents received 0, 5, 25 or 50 mgN-acetylglucosaminyl-N-acetylmuramyl-dipeptide (GMDP) orally, and trivalent influenza subunit vaccine intramuscularly. One day after intervention, there was a strong increase of total leucocytes, monocytes and neutrophils in the groups receiving 25 or 50 mg GMDP. A GMDP dose dependent increase in systemic, but not in local,...
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