Welcome to the influenza surveillance reporting website, brought to you by the Division of Communicable Disease Surveillance in the Center for Surveillance, Infection Prevention, and Outbreak Response at the Maryland Department of Health and Mental Hygiene (DHMH).

CURRENT WEEKLY ACTIVITY REPORT SYNOPSIS

Influenza activity in Maryland declined to “sporadic” in geographic spread and “minimal” in intensity during the week ending April 28, 2012 (week 17). After an increase the week prior, the proportion of rapid tests for influenza reported as positive to DHMH decreased to 14%. No outbreaks of influenza or influenza-like illness (ILI) were reported. The State Laboratories Administration received 51 specimens for influenza testing, of which 25 were positive. Visits to sentinel providers for ILI remained below baseline, and the proportion of MRITS participants reporting ILI also remained low.

Click here for the full weekly report.

CURRENT GEOGRAPHIC SPREAD OF INFLUENZA IN MARYLAND

The current geographic spread of influenza in Maryland is SPORADIC for week 17, 2012 (week ending April 28, 2012). This means that there are "Small numbers of laboratory-confirmed influenza cases or a single laboratory-confirmed influenza outbreak has been reported, but there is no increase in ILI.."

PREVIOUS WEEKS' GEOGRAPHIC SPREAD