Moderna has been awarded approximately $590 million from the federal government to help speed up the development of an mRNA-based bird flu vaccine, health officials said.

The current public-health risk is low, but the CDC is watching the situation carefully and working with states to monitor people with animal exposure.

The U.S. government has awarded Moderna $590 million to advance the development of its bird flu vaccine, as the country doubles down on efforts to tackle increasing infections in humans.