US health officials say they don’t know how a patient in Missouri contracted bird flu.
https://www.wired.com/story/the-bird-flu-outbreak-takes-a-mysterious-turn-missouri-avian-influenza/?utm_source=dlvr.it&utm_medium=blogger
https://www.wired.com/story/the-bird-flu-outbreak-takes-a-mysterious-turn-missouri-avian-influenza/?utm_source=dlvr.it&utm_medium=blogger