Abstract
Logistical and ethical challenges are complicating the design of efficacy studies.
MeSH terms
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Homosexuality, Male
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Humans
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Male
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Mpox (monkeypox)* / prevention & control
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Placebos
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Randomized Controlled Trials as Topic* / ethics
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Smallpox Vaccine* / therapeutic use
Substances
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Placebos
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Smallpox Vaccine