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10.1016/j.ijid.2021.02.038

http://scihub22266oqcxt.onion/10.1016/j.ijid.2021.02.038
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33592338!7881292!33592338
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suck abstract from ncbi


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pmid33592338      Int+J+Infect+Dis 2021 ; 105 (ä): 307-311
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  • Prioritizing second-generation SARS-CoV-2 vaccines through low-dosage challenge studies #MMPMID33592338
  • Steuwer B; Jamrozik E; Eyal N
  • Int J Infect Dis 2021[Apr]; 105 (ä): 307-311 PMID33592338show ga
  • The design of human challenge studies balances scientific validity, efficiency and study safety. This Perspective explores some advantages and disadvantages of 'low-dosage' challenge studies, in the setting of testing second-generation vaccines against COVID-19. Compared with a conventional vaccine challenge, a low-dosage vaccine challenge would be more likely to start, and start earlier. A low-dosage challenge would also be less likely to rule out a vaccine candidate that would have potentially been effective, particularly in certain target uses. A key ethical advantage of a low-dosage challenge over a conventional challenge is that both it and its dose escalation process are safer for each participant. Low-dosage studies would require larger numbers of participants than conventional challenges, but this and other potential disadvantages are less serious than they may initially appear. Overall, low-dosage challenges should be considered for certain roles such as prioritizing between second-generation vaccines against COVID-19.
  • |*Clinical Trials as Topic[MESH]
  • |*Research Design[MESH]
  • |Biomedical Research/methods[MESH]
  • |COVID-19 Vaccines/*administration & dosage[MESH]
  • |COVID-19/*prevention & control[MESH]
  • |Humans[MESH]


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