Health Canada said Thursday it has authorized Novavax's updated COVID-19 vaccine for those aged 12 years and up. The product, called Nuvaxovid, is a protein-based vaccine. Health Canada said the vaccine was updated to target the JN.

The new COVID-19 vaccine is now available at clinics, pharmacies and doctor's offices. A doctor with University of Utah Health says it will help prevent serious illness from new COVID-19 variants in an expected winter surge.

Key Takeaways Moderna shares surged Tuesday after Canadian regulators approved the biotech firm’s updated COVID-19 vaccine.Moderna's Spikevax KP.2 targets the KP.2 variant of the virus.The U.S. Food and Drug Administration has also approved the shot,