The incidence of adverse event of special interests(AESIs).;The incidence of medically attended adverse events(MAAEs).;The incidence of serious adverse events(SAEs).;The incidence of solicited adverse events(AEs).;The incidence of unsolicited adverse events(AEs) .;Virologically confirmed (polymerase chain reaction(PCR) positive) symptomatic COVID-19 cases first occurring, regardless of severity.

The incidence of adverse event of special interests(AESIs).;The incidence of medically attended adverse events(MAAEs).;The incidence of serious adverse events(SAEs).;The incidence of solicited adverse events(AEs).;The incidence of unsolicited adverse events(AEs) .;Virologically confirmed (polymerase chain reaction(PCR) positive) symptomatic COVID-19 cases first occurring, regardless of severity.