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December 18, 2018

Respiratory Syncytial Virus (RSV)

RSV Surveillance Has Begun

In Idaho, Respiratory syncytial virus (RSV) surveillance efforts officially began the week ending November 10, 2018

RSV activity is low and sporadic 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%. 
The number of cases reported to public health officials have begun to increase very slightly; 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 once the season has begun and throughout its duration. 

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


 2018-2019 Weekly RSV Season Data - Idaho

Public Health District 1 2 3 & 4 5 6 7 IDAHO
Total Positive Tests* 
2 2 7 4 1 2 18
 Total Tests Submitted 72 6 88 23 30 49 268
 Percent Positive 2.8% 33.3% 7.9% 17.4% 3.3% 4.1% 6.7%
 *For week ending: 12/8/2018            

Updated December 13, 2018