Influenza (Flu) Surveillance

Rhode Island Numbers

Influenza Activity Level is Local

Last updated: March 25, 2015

Activity is categorized as: No Activity, Sporadic, Local, Regional, or Widespread based on evaluation by the State Epidemiologist according to guidelines established by the Centers for Disease Control and Prevention. more scroll to Category 5)

Physician Office Visits for Influenza-Like Illness

Notes: This data is reported to Centers for Disease Control Prevention by physicians enrolled as "sentinel providers", a group of community-based practices and university health clinics. There were 20 sentinel provider practices in the 2012-2013 season who report the number and age group of patients with "influenza-like illness" (ILI) - those with a fever over 100°F, a cough and/or sore throat with no other known cause.

Influenza-Like Illness by Age Group

Influenza-Like Illness compared to New England and United States

Strains of Influenza and Positive Laboratory Results

Data Table

Source: State Health Laboratory influenza results reported to the World Health Organization (WHO) and the National Respiratory and Enteric Virus Surveillance System (NREVSS) through a secure online website. The weeks are based on the Morbidity and Mortality Weekly Report (MMWR) by the Centers for Disease Control Prevention.