Moderna says vaccine works against delta variant as WHO warns of global spread by
The Moderna COVID-19 vaccine is administered for the first time at Yokota Air Base, Japan, Dec. 28, 2020. (Juan Torres/U.S. Air Force) The coronavirus vaccine developed by U.S. biotech firm Moderna is effective against the highly contagious delta variant, the company said in a release Tuesday, offering some hope even as the World Health Organization warned that the variant has now spread to at least 96 countries. Moderna said that blood samples from fully vaccinated individuals produced antibodies against multiple variants and that researchers measured only a "modest reduction in neutralizing titers" against the particularly virulent delta, which was first identified in India.