For Everyone
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Flu Complications and People at Higher Risk
- Flu and Children
- Flu and People 65 Years and Older
- Flu and People with Asthma
- Flu and People with Heart Disease or History of Stroke
- Flu and People with Diabetes
- Flu and People with Chronic Kidney Disease
- Flu and People with Disabilities
- Flu and People Living with HIV
- Flu and Children with Neurologic Conditions
- Flu and Cancer
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What's New
- 2023-2024 Influenza Season Summary: Influenza Severity Assessment, Burden and Burden Prevented
- New Grim Milestone for Flu Pediatric Deaths Set
- 2024 Annual News Conference: Preventing Respiratory Disease This Fall and Winter
- Flu Deaths in Children Last Season Reach 199, Matching Record
- CDC Study Shows Early Flu Antiviral Treatment Decreases Risk of Death
- Southern Hemisphere Flu Season Could Provide Clues on Upcoming US Flu Season
- CDC Reports Two Human Infections with Variant Influenza Viruses
- CDC Reports First U.S. Human Infection in 2024 with Variant Influenza Virus
- US Will Transition to Trivalent Flu Vaccines for 2024-2025
- More than 100 Flu-Related Deaths in Children Reported So Far This Season
- This Season's Flu Vaccines Reduced Flu Medical Visits and Hospitalizations Across All Ages
- Studies Suggest Influenza Virus Infection Raises the Risk of Heart Attack
- 2023-2024 Flu Vaccine Coverage Update (Continued)
- CDC Study Points to Potential Benefits of Newer Flu Vaccines
- People with Chronic Medical Conditions Continue to Account for The Majority of Flu Hospitalizations This Season
- Study Shows Hospital Outcomes for Flu and COVID-19 Have Become More Similar
- Flu Vaccination Coverage Update
- This Flu Season Could See More Severe Illness Among Children and Older Adults
- Flu Vaccination During Pregnancy Decreases Flu Hospitalizations and Emergency Department Visits in Infants Younger Than 6 Months
- New Study Suggests Flu Vaccination Likely to Have a Substantial Public Health Impact, Prevent Millions of Medical Visits
- New Study Shows Flu Vaccination Cut Urgent Care and Emergency Department Visits and Hospitalizations in Kids by Nearly Half
- CDC Study Finds Strong Vaccine Effectiveness Against Severe Flu Outcomes
- Flu Activity Increases While Vaccination Lags
- CDC Celebrates 10 Years of Supporting The Partnership for International Vaccine Initiatives
- 2023 Annual News Conference: Preventing Disease This Fall and Winter
- Influenza Activity in the United States during the 2022–23 Season and Composition of the 2023–24 Influenza Vaccine
- New CDC Study Looks at Flu Severity by Virus Type and Subtype
- New Wild to Mild Campaign Drives Key Message to Tame Flu and Reset Expectations
- Flu Vaccination Rates Lag Among Health Care Workers in Peru
- South America's 2023 Flu Vaccines Cut Risk of Flu Hospitalizations by About Half
- Influenza Activity in the United States during the 2023–24 Season and Composition of the 2024–25 Influenza Vaccine
- CDC Celebrates FluSurv-NET's 20th Anniversary: Two Decades of Population-Based Influenza Hospitalization Surveillance
Health Care Providers
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Clinical Guidance
- Clinical Guidance for Patients with Acute Respiratory Illness Not Being Hospitalized When SARS-CoV-2 and Influenza Viruses are Co-Circulating
- Clinical Guidance for Patients with Acute Respiratory Illness Being Hospitalized When SARS-CoV-2 and Influenza Viruses are Co-Circulating
- Clinical Guidance for Hospitalized and Non-Hospitalized Patients When SARS-CoV-2 and Influenza Viruses are Co-Circulating
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Clinical Testing and Diagnosis
- Influenza virus testing in investigational outbreaks in institutional or other closed settings
- Guide for considering influenza testing when influenza viruses are circulating in the community
- Information on interpretation of influenza testing results when virus is circulating
- Testing and Management Considerations for Nursing Home Residents with Acute Respiratory Illness Symptoms when SARS-CoV-2 and Influenza Viruses are Co-circulating
- Multiplex Assays Authorized for Simultaneous Detection of Influenza Viruses and SARS-CoV-2 by FDA
- Interpretation of influenza testing results when virus is not circulating for Health Care Settings
- Information on Rapid Molecular Assays, RT-PCR, and other Molecular Assays for Diagnosis of Influenza Virus Infection
- Assist in Medical Office Telephone Evaluation of Patients with Possible Influenza
- Information for Clinicians on Rapid Diagnostic Testing for Influenza
- Rapid Influenza Diagnostic Tests
- Rapid Influenza Diagnostic Tests (RIDTs)
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Infection Control Guidance
- Prevention Strategies for Seasonal Influenza in Healthcare Settings
- Interim Guidance for the Use of Masks to Control Seasonal Influenza Virus Transmission
- Interim Guidance for Influenza Outbreak Management in Long-Term Care and Post-Acute Care Facilities
- Guidance for the Prevention and Control of Influenza in the Peri- and Postpartum Settings