Frequency of solicited and unsolicited adverse events that occur during the period of one week after each dose of the vaccine in two vaccination schedules: 0,14 and 0,28 days stratified by age group (18-59 years, and 60 or more years).;Incidence of symptomatic cases of virologically confirmed COVID-19 two weeks after the second dose of each vaccination schedule.

Frequency of solicited and unsolicited adverse events that occur during the period of one week after each dose of the vaccine in two vaccination schedules: 0,14 and 0,28 days stratified by age group (18-59 years, and 60 or more years).;Incidence of symptomatic cases of virologically confirmed COVID-19 two weeks after the second dose of each vaccination schedule.

Frequency of solicited and unsolicited local and systemic adverse reactions during the period of one week after vaccination according to age group in adult (18-59 years old) and elder (60 years of age or older) subjects.;Incidence of symptomatic cases of virologically confirmed COVID-19 two weeks after the second vaccination

Frequency of solicited and unsolicited local and systemic adverse reactions during the period of one week after vaccination according to age group in adult (18-59 years old) and elder (60 years of age or older) subjects.;Incidence of symptomatic cases of virologically confirmed COVID-19 two weeks after the second vaccination