The Novavax shot (which has already been approved by the EU,WHO,UK,Canada and everywhere else) is still waiting for FDA approval, even though it was submitted to the FDA back in January.
https://www.wusa9.com/article/news/health/coronavirus/novavax-asked-the-fda-for-emergency-use-earlier-this-year-whats-the-hold-up/65-773bf297-fc5e-4b93-a4bf-a5141bc60a2b