What happened to Novavax's COVID-19 vaccine candidate?

What happened to Novavax's COVID-19 vaccine candidate?

Source: 
Beckers Hospital Review
snippet: 

Novavax is behind its competitors in the COVID-19 vaccine race, but the biotech's vaccine is still worth keeping a close eye on because of its positive interim trial results and potential to help vaccinate other countries, according to a July 19 Kaiser Health News report.