Weather‑Driven Lung Infection Threatens 1, 000 Lives Annually

Valley fever is a lung disease caused by spores from the fungus Coccidioides, which thrives in dry soil across parts of the southwestern United States and south‑central Washington. The illness can be fatal, with up to 1, 000 deaths reported each year. A study in Phoenix showed that the risk of infection rises during the drier, dustier months of June‑July and October‑November. In contrast, February‑March, August‑September see fewer cases because the weather is wetter and less dusty. Dust storms can spark outbreaks, and research suggests that the increase in such storms from the 1990s to the 2000s may be worsening the problem. Scientists now can predict Valley fever outbreaks about a month in advance by monitoring weather forecasts. This gives people time to take precautions, especially those over 60 who are most vulnerable.Because the main symptoms—cough and fever—are common to many illnesses, Valley fever is often misdiagnosed. The only reliable test looks for specific antibodies or antigens in the blood. If the infection does not clear on its own, doctors prescribe antifungal medication. The disease is not contagious; it spreads only when people inhale spores from the environment. Those living in high‑risk areas are advised to stay indoors during dust storms and wear N95 masks when outside. High‑profile cases highlight the danger. A 26‑year‑old from Las Vegas died after a year of Valley fever, and a woman in Phoenix suffered long‑term illness from a dust‑storm exposure in 2012. These stories underscore the importance of awareness and early detection.