Moderna vaccine is more than 90% effective 6 months after the second dose. And it is abundantly 95% effective in contrasting the severe form of covid. These are the data released by the US company on the basis of clinical trials carried out in phase 3. The new data were collected on the basis of analyzes carried out up to April 9, as stated on the Nbc website. The vaccine, in the US, is currently authorized by the Food and Drug Administration for emergency use and for administration to individuals over the age of 18. The company is still evaluating use for individuals under the age of 18. Moderna is engaged in the development of tests for the age group 12-17, with the involvement of approximately 3,000 very young people in the United States.