CDC report indicating US influenza deaths were negligible in 2020 and 2021, a divergence from normal seasonal patterns.
“Mortality Surveillance
National Center for Health Statistics (NCHS) Mortality Surveillance
Based on NCHS mortality surveillance data available on October 5, 2023, 7.3% of the deaths that occurred during the week ending September 30, 2023 (week 39), were due to pneumonia, influenza, and/or COVID-19 (PIC). This percentage is above the epidemic threshold of 5.7% for this week. Among the 1,683 PIC deaths reported for this week, 615 had COVID-19 listed as an underlying or contributing cause of death on the death certificate, and 11 listed influenza...
Additional National and International Influenza Surveillance Information
FluView Interactive: FluView includes enhanced web-based interactive applications that can provide dynamic visuals of the influenza data collected and analyzed by CDC. These FluView Interactive applications (http://www.cdc.gov/flu/weekly/fluviewinteractive.htm) allow people to create customized, visual interpretations of influenza data, as well as make comparisons across flu seasons, regions, age groups and a variety of other demographics.”
