Newest COVID-19 shots are 54% effective in preventing symptoms in adults, according to US data
The newest COVID-19 vaccine shots are 54 per cent effective at preventing symptomatic infections in adults, according to a recent study by the US Centres for Disease Control and Prevention (CDC). The latest vaccines, which became available last year, were designed to better protect people against the more recent variants of the virus. In a study released on Thursday, which involved 9,000 people who got tested for COVID-19 at CVS and Walgreens pharmacies across the US, the CDC came to the conclusion that in 54 per cent of the cases, the new shots prevented adults infected with the virus from de...