public health As avian flu spreads, backyard chicken groups share conspiracy theories Jennifer Sandlin
CDC Dr. Deborah Birx: "Our agencies are making the same mistakes they made with COVID" Jennifer Sandlin
pandemics Four more cats die from H5N1 as new report calls evidence for efficient mammal-to-mammal transmission "unprecedented" Jennifer Sandlin
marine mammals Scientists move fast as H5N1 reaches Northern California elephant seals Jason Weisberger