inclusion criteria: 1. age 18-80 y.o.; 2. more that 4 months after the previous vaccination against covid-19; 3. no covid-19 infection registered within 30 days prior to soberana plus administration.

inclusion criteria: 1. age 18-80 y.o.; 2. more that 4 months after the previous vaccination against covid-19; 3. no covid-19 infection registered within 30 days prior to soberana plus administration.

inclusion criteria: age 18-80 y.o.; more that 4 months after the previous vaccination against covid-19; no covid-19 infection registered within 30 days prior to soberana plus administration.

inclusion criteria: age 18-80 y.o.; more that 4 months after the previous vaccination against covid-19; no covid-19 infection registered within 30 days prior to soberana plus administration.