2014-15 S.C. Flu Activity and Surveillance
Surveillance can tell us the trend of influenza in South Carolina, but it cannot tell us exactly how many cases of influenza there are in the state. This is because not everyone who gets the influenza goes to the doctor to get tested and we have no way of monitoring these unreported cases of flu.
Weekly S.C. Flu Update
Week of April 12, 2015 - April 18, 2015 (MMWR Week 15): Local
Read the complete Flu Watch: South Carolina's Weekly Surveillance Report (PDF): Updated April 22, 2015
U.S. Flu Activity
Visit the Center for Disease Control and Prevention's (CDC) website for national statistics on flu.
International Flu Activity
Current Pandemic Phase
As part of its preparedness plan, WHO has defined four stages of a pandemic.
We are currently in the Alert Phase for H3N2v and H7N9.
What is Influenza (Flu) Surveillance?
Each year, DHEC and U.S. public health experts monitor influenza (flu) and other diseases. This activity is called disease surveillance.
Influenza (flu) surveillance allows DHEC and the CDC to see what impact flu is having on the health of residents. Surveillance helps us to:
In South Carolina, influenza surveillance consists of several components. Each component provides different types of information about influenza; together, they create a solid overview of influenza activity in the state.