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A number of bioethicists support human challenge trials [1-3]. The blame shouldn't lie with them. Politicians and government regulators have failed us by not actively pushing for challenge trials. Kudos to Members of Congress Bill Foster and Donna Shalala for trying [4].

[1] https://academic.oup.com/jid/article/221/11/1752/5814216 [2] https://pubmed.ncbi.nlm.nih.gov/33334616/ [3] https://pubmed.ncbi.nlm.nih.gov/32441894/ [4] https://foster.house.gov/hhs-fda