"Back at the turn of the 21st century, valley fever was an obscure fungal disease in the United States, with fewer than 3,000 reported cases a year, mostly in California and Arizona. Two decades later, cases of valley fever have exploded, increasing roughly sevenfold by 2019."

https://www.theatlantic.com/health/archive/2023/09/fungal-disease-climate-change-threat/675515/