Colorado dairy worker infected with bird flu in 4th human case linked to U.S. outbreak
Colorado dairy worker infected with bird flu in 4th human case linked to U.S. outbreak
https://www.pbs.org/newshour/health/colorado-dairy-worker-infected-with-bird-flu-in-4th-human-case-linked-to-u-s-outbreak
https://www.pbs.org/newshour/health/colorado-dairy-worker-infected-with-bird-flu-in-4th-human-case-linked-to-u-s-outbreak