Vaccination in humanitarian crises: satisficing should no longer suffice.

There are more possible vaccination interventions to mitigate the adverse health consequences of populations in crises than ever before, but recent reviews suggest delivering these vaccines has been fraught with difficulty. The decision to implement vaccination interventions in crises remains, more often than not, an exercise in satisficing. The sparse credible epidemiologic and effectiveness data in populations affected by crises contributes greatly to decision-making difficulty, as do the limits of vaccine presentations, formulations and storage. Political considerations and lack of decision-making guidance contribute further. Moving forward requires sound effectiveness studies to help ensure that decision-making is based to the degree possible on substance.

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