This vaccine did previously have emergency approval by the FDA for use but can now be marketed in the U.S. for use, the letter said.

The U.S. Food and Drug Administration approved Novavax's Covid-19 vaccine with age restrictions after a six-week delay.

China on Sunday announced anti-dumping duties as high as 74.9% on imports of POM copolymers, a type of engineering plastic, from the United States, the European Union, Japan and Taiwan.