Moderna Covid vaccine efficacy falls slightly to 90% in US trial
US biotech company Moderna announced COVID vaccine is 90 percent effective against all forms of the disease and 95 percent effective against severe disease.
by ·
US biotech company Moderna announced COVID vaccine is 90 percent effective against all forms of the disease and 95 percent effective against severe disease.
by · Published June 2, 2021
by · Published May 19, 2021
by mariia · Published July 17, 2025