Utah Weekly Weekly Cryptosporidiosis Surveillance Update
02/01/2020
Background: Cryptosporidium is a parasite that is found worldwide and in every region of the United States (U.S.). When ingested, this parasite causes diarrheal illness called cryptosporidiosis (often called “crypto”). The parasite is most often ingested as a result of swallowing contaminated water. It is estimated that approximately 800,000 cases occur each year in the U.S., though only a fraction of those are reported. On average, Utah has around 150 reported cases per year. In 2007, Utah experienced one of the largest cryptosporidiosis outbreaks in U.S. history with approximately 2,000 cases. Cryptosporidiosis is easily transmissible and can result in severe illness. Correct diagnosis, early detection of cases, and interview of ill persons is crucial in identifying sources of illness and preventing future cases and outbreaks.
This report contains preliminary data through the week ending 02/01/2020 (MMWR week 5). Data presented in this report are based on current data and are subject to change weekly .
Year-to-Date Cryptosporidiosis Cases by Health District, Utah, 2020
| Health District | 2020 Season YTD* | 2019 Season YTD* | Five Year YTD Average | 2020 Recreational Water Exposure** |
|---|---|---|---|---|
| Bear River | 0 | 0 | 0 | 0 |
| Central Utah | 0 | 0 | 0.4 | 0 |
| Davis County | 1 | 1 | 1.2 | 1 |
| Salt Lake County | 8 | 6 | 4.4 | 2 |
| San Juan County | 0 | 0 | 0 | 0 |
| Southeastern Utah | 0 | 0 | 0 | 0 |
| Southwest Utah | 0 | 2 | 0.6 | 0 |
| Summit County | 1 | 1 | 0.2 | 1 |
| Tooele County | 0 | 0 | 0 | 0 |
| TriCounty | 0 | 1 | 2.6 | 0 |
| Utah County | 2 | 1 | 1.2 | 0 |
| Wasatch County | 0 | 0 | 0 | 0 |
| Weber-Morgan | 0 | 0 | 0.6 | 0 |
| State Total | 12 | 12 | 11.2 | 4 |
| Note: | ||||
| * YTD means ‘Year To Date’ counts | ||||
| ** Recreational Water Exposure includes hot tubs, pools, water parks, and other similar exposures. It does not include exposure to natural water such as lakes, rivers, reservoirs, etc. |
Cryptosporidiosis Cases by Week, Utah, 2020
