Novavax (NVAX) stock is soaring 5.10% in intraday trading on Tuesday, following the U.S. Food and Drug Administration's (FDA) approval of its Nuvaxovid COVID-19 vaccine for high-risk individuals. This significant regulatory milestone has boosted investor confidence in the company's vaccine prospects.

The FDA's approval specifically targets seniors over 65 and individuals aged 12-64 with underlying health conditions, expanding Novavax's potential market. This development comes at a crucial time as health authorities continue to adapt their strategies to combat the ongoing pandemic and its evolving variants.

Adding to the positive sentiment, FDA advisers are set to discuss whether new COVID-19 vaccines for the 2025-26 season should target the LP.8.1 subvariant, which has become dominant in various parts of the world. This consideration could potentially benefit vaccine manufacturers like Novavax, as it suggests a continued need for updated COVID-19 vaccines in the foreseeable future. The company's ability to adapt its vaccine technology to new variants could play a crucial role in maintaining its market position and driving future growth.