ILI Surveillance

Influenza Like Illness (ILI) Surveillance 


As of March 4th...

·         Current ILI incidence rate is 0.58% (n=3,610).

o   5 weeks straight of decreasing rates, and this rate is well below previous years at this time of the year.

o   Rate now lower than what was recorded in the last week of Nov. 2012.

o   Student Health and ED continue to account for more the majority of ILI cases, however, both sites are consistently reporting lower rates.

o   Employee Health continues to fluctuate in their rate, but 2 of the last 3 weeks have seen big drops in their rate.

·         Infection Control is reporting 15 cases of confirmed Flu.

o   This is an increase from last week, but 10 of these cases were POC tests.

o   The number of admissions due to flu has decreased from last week.

o   Influenza A: Total of 4 cases.

§  All 4 cases were adults, and all 4 were vaccinated.

§  3 required admission, all to acute care floors.

§  1 was an employee.

o   Influenza B: 1 adult case, admitted to MJH, and was vaccinated.

o   10 positive POC tests, 3 were adults and 7 were peds pts.

·         VDH Weekly Influenza Report (data from week ending 2/23/2013).

o   Activity level still considered widespread.

o   All region and age rates have stabilized over the last 2 weeks.

§  Infant and Pediatric rates still the highest among age groups.

§  Central VA actually recorded a small drop in their rate.

§  Remember this data is a week behind ours.

 
 
 

Flu 1/7