| http://www.w3.org/ns/prov#value | - 89% would be needed to halt transmission. 61 This estimate is merely illustrative and can be improved by detailed simulation or analytical models, 69???72 but in all situations, coverage need not be 100%.A second principle is that other interventions, such as reductions in contact and use of antiviral prophylaxis and treatment, can themselves reduce transmission, working in concert with vaccinati
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