California is witnessing a significant surge in cases of Valley Fever, a potentially severe fungal infection, following a series of heavy rainfalls attributed to atmospheric river storms. The California Department of Public Health (CDPH) has reported 9,280 new cases in 2023, the highest number on record.
Valley Fever, or coccidioidomycosis, is caused by inhaling spores of the Coccidioides fungus found in soil. When heavy rains are followed by dry conditions, these spores can become airborne, especially when the soil is disturbed by wind, construction, or farming activities. Inhaling the spores can lead to respiratory symptoms such as cough, fever, chest pain, and fatigue. In severe cases, the infection can spread beyond the lungs, causing complications like meningitis—an inflammation of the membranes surrounding the brain and spinal cord—which can be fatal.
The unprecedented atmospheric river storms that ended years of drought in California have created ideal conditions for the fungus to thrive and disperse. The CDPH has issued advisories to healthcare providers to be vigilant in diagnosing and reporting cases of Valley Fever, emphasizing the importance of early detection and treatment to prevent serious health outcomes.
Public health officials are urging residents, particularly those in highly affected areas, to take precautions when engaging in activities that may disturb soil. Recommendations include wetting the soil before digging, using air filtration indoors, and wearing masks during dust storms to reduce the risk of inhaling fungal spores.
This surge in Valley Fever cases highlights broader concerns about the impact of climate change on public health. Similar patterns of increased fungal infections could potentially emerge in other regions, including parts of Asia, as weather extremes become more common. Global health experts stress the need for heightened awareness, research, and preparedness to address these emerging environmental health threats.
Reference(s):
Surging fungal infections led by atmospheric rivers in California
cgtn.com
