The occurrence of serious adverse events (SAEs) and adverse events of special interest (AESIs) until 6 months after the booster vaccination;The occurrence of solicited local and systemic adverse events (AEs) within 7 days after the booster vaccination;The occurrence of unsolicited AEs within 28 days after the booster vaccination.

The occurrence of serious adverse events (SAEs) and adverse events of special interest (AESIs) until 6 months after the booster vaccination;The occurrence of solicited local and systemic adverse events (AEs) within 7 days after the booster vaccination;The occurrence of unsolicited AEs within 28 days after the booster vaccination.