Valley Fever Cases 1998-2019

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Last updated: Thursday May 11th, 2023

The amount of cases of Valley Fever (Coccidioidomycosis) recorded each year according to the CDC Website. Valley Fever is NOT contagious and is caused by fungal blooms of C. immitis and C. posadasii. These Fungi are found in the soil primarily in the Southwestern United States, most commonly in California and Arizona. For more information on Valley Fever, visit: https://www.cdc.gov/fungal/diseases/coccidioidomycosis/index.html

Source: https://www.cdc.gov/fungal/diseases/coccidioidomycosis/statistics.html

Data is shown only up to 2019

Data is shown as a total (sum of subsidiaries), as well as subsidiary totals per state

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Year	Arizona	California	NV, UT, NM	Other States	Total
1998	1474	719	72	6	2271
1999	1812	939	55	20	2826
2000	1917	840	67	41	2865
2001	2301	1538	63	30	3932
2002	3133	1727	64	44	4968
2003	2695	2091	55	29	4870
2004	3667	2641	110	31	6449
2005	3516	2885	108	33	6542
2006	5535	3131	140	111	8917
2007	4832	2991	163	135	8121
2008	4768	2597	99	59	7523
2009	10233	2488	147	58	12926
2010	11883	4622	159	129	16793
2011	16467	5697	237	233	22634
2012	12920	4431	211	240	17802
2013	5861	3272	162	143	9438
2014	5624	2243	156	209	8232
2015	7622	3053	198	199	11072
2016	6101	5358	151	219	11829
2017	6885	6925	279	275	14364
2018	7478	7546	276	311	15611
2019	10359	9004	350	290	20003