Covid vaccine, first tests on third dose in GB

Covid vaccine, UK Health Minister Matt Hancock announces a large-scale trial on the third dose. During a briefing in Downing street, the minister explained that the campaign will be carried out with all seven vaccines ordered by the UK and calibrated for discover the protective effect on the new variants. According to reports from the BBC, the vaccines will be tested on people of working age and over 75 to collect data on side effects and immune responses. The government urges the population to take part in the experimentation that will allow, among other things, to to understand if it will be necessary to distribute the third dose of vaccine already in the fall. Hancock hopes for thousands of volunteers for the third dose trial.