<p>* Groups 1–3 were primed twice, at weeks 0 and 3; groups 4–7 were primed once at week 3.</p><p>∧All groups were boosted at week 6. <b>IN</b>: Intranasal; <b>IM</b>: Intramuscular. <i>Superscript</i> IN/NJ denotes strain of rVSV used.</p><p>Murine Immunization Regimens.</p