How deadly is the bird flu? The US has reported its first death from avian influenza, H5N1. Here's what to know about bird flu mortality rate and who is at risk.

There have been 67 human cases of bird flu nationwide since 2024, 38 of which occurred in California, the most out of any state.

Dr. John Goldman, a UPMC Infectious Disease Specialist, spoke about the severity of the bird flu and the possibility of a person transmitting the disease to another person. While a person getting the bird flu is rare,

A researcher at Brigham and Women’s Hospital said the bird flu virus needs to be taken seriously so it doesn’t become the next pandemic.

The CDC advises testing hospitalized flu patients for bird flu within 24 hours to prevent delays in identifying human infections. While the public risk remains low, nearly 70 Americans have contracted bird flu.

The threat of bird flu in humans remains low unless they are dealing closely with cattle, poultry or wild birds.

A California child was recently confirmed as the third human case of bird flu with a known source of infection. What could this mean in our fight against the disease?

NBC News Medical Contributor Dr. Kavita Patel speaks with Gadi Schwartz about the difference in symptoms between a cold and the flu and explains the CDC's urge for faster testing to find human bird flu cases.

A child ill with fever and conjunctivitis in San Francisco tested positive for bird flu but had no known source of transmission.