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Indiana State Department of Health

Epidemiology Resource Center Home > Surveillance and Investigation > Surveillance and Investigation Division > Newsletters > Indiana Epidemiology Archived Newsletters > Epi_Newsletter_December_2006-Page2 Not Just for Winter Anymore… Influenza Summer Surveillance

Indiana Epidemiology Newsletter
December 2006

Shawn Richards, BS
Respiratory Epidemiologist

The Indiana State Department of Health (ISDH) conducts enhanced (year-round) surveillance through the Influenza Sentinel Surveillance Program to determine when influenza is circulating, which influenza viruses are circulating, and to identify other respiratory disease outbreaks in Indiana. The ISDH has participated in enhanced surveillance for the past two years; however, this is the first year that the ISDH Laboratory has tested specimens during the summer months. The ISDH now has laboratory confirmation that influenza circulates during the summer as well as the fall, winter, and spring months.

The ISDH Laboratory tested 53 specimens from June-September 2006 (see Figure 1). Of the 53 specimens, 12 tested positive for Influenza A H3, 10 tested positive for Influenza A H1, 3 tested positive for Influenza B, 2 tested positive for Mycoplasma pneumoniae (institutional outbreak—see related Outbreak Spotlight article in the November Epidemiology Newsletter), 1 tested positive for parainfluenza virus type 3, and 25 tested negative.

Figure 1.

Pie chart showing influenza summer surveillance 2006 - ISDH Laboratory Results June-September