trading in novavax shares was halted in premarket trading tuesday in anticipation of a food and drug administration advisory panel meeting in which regulators will make a ruling on whether to approve the company’s covid19 vaccine nasdaq halted trading of novavax ticker nvax stock at 655 am eastern time on tuesday citing news pending the fda vaccine advisory committee is meeting at 830 am to review the data on the efficacy and safety of novavax’s recombinant protein covid19 vaccine the company applied for emergency