Vaccine safety.

(A) Frequency of possibly, probably and definitely related (“Related”) unsolicited adverse events from the signing of the informed consent form until Study Day 112. Multiple adverse events could be reported per participant. (B) Number of participants who reported reactogenicity symptoms from the day of study product administration (Day 0) through Day 9. The National Institute of Allergy and Infectious Diseases Division of AIDS Toxicity Table was used to grade severity of adverse events and reactogenicity.