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February 25, 2017

Respiratory Syncytial virus (RSV)

RSV Season Has Begun


In Idaho, Respiratory Syncytial Virus (RSV) season officially began the week ending December 17, 2016 and increased activity continues to be reported across the state. 

The beginning of the RSV season, or season onset, is adapted from the National Respiratory and Enteric Virus Surveillance System (NREVSS). RSV season onset occurs in the first of two consecutive weeks during which the reported total percentage of specimens testing positive for antigen is ≥10%.  

Numbers have begun to increase since the week ending December 17, 2016; RSV activity usually occurs at a low level in the summer and early fall months and then begins to rise sharply in late fall. We will continue to gather surveillance data and provide weekly updates throughout the RSV season. 

We wish to thank all the participating laboratories for their contributions during this RSV season.

 2016 - 2017 Weekly RSV Season Data - Idaho  

Public Health District 1 2 3 & 4 5 6 7 IDAHO
Total Positive Tests* 
19 1 72 42 8 30 172
 Total Tests Submitted 63 4 238 95 61 79 540
 Percent Positive 30.2% 25.0% 30.3% 44.2% 13.1% 37.9% 31.9%
 *For week ending 02/18/2017            

Updated February 24, 2017