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October 19, 2018

Respiratory Syncytial Virus (RSV)

RSV Season Has Ended

In Idaho, Respiratory Syncytial Virus (RSV) season officially began the week ending January 6, 2018 and the season ended the week ending April 14, 2018

Infants and children at risk for severe RSV infection can receive monthly doses of palivizumab (Synagis™) as prophylaxis during the RSV season. Voluntary RSV surveillance is conducted to inform healthcare providers about RSV trends in Idaho that may impact prescribing recommendations for palivizumab (Synagis™).

The end of the RSV season, or season offset, is adapted from the National Respiratory and Enteric Virus Surveillance System (NREVSS). RSV season offset is the end of the last two consecutive weeks when the weekly percent positive exceeds 10%. 

Although numbers have declined sharply, RSV activity usually occurs at a low level in the summer and fall months. We will resume gathering weekly updates beginning in October. 

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

 2017-2018 Weekly RSV Season Data - Idaho  

Public Health District 1 2 3 & 4 5 6 7 IDAHO
Total Positive Tests* 
0 0 1 5 2 2 10
 Total Tests Submitted 35 1 78 25 32 46 217
 Percent Positive 0.00% 0.00% 1.28% 20.00% 6.25% 4.35% 4.61%
 *For week ending 4/28/2018            

Updated May 10, 2018