H1N1 Flu

New Study Expands Understanding of Influenza-associated Complications

Flu is a respiratory disease and respiratory complications, such as pneumonia, are the most common reason for people to be hospitalized from flu. However, a study published in JAMA Network Open sheds

Interim Flu Vaccine Effectiveness Estimates for the 2019-20 Flu Season Show Flu Vaccines Providing Substantial Protection, Especially in Children

Today, CDC published new interim flu vaccine effectiveness (VE) estimates for the 2019-2020 flu season

CDC's portable flu testing kit allows for faster, on-site detection of viruses that could cause the next pandemic

CDC researchers have developed a portable flu testing kit that cuts the time needed to sequence and analyze flu viruses of pandemic concern in half.

Study confirms that some flu vaccines cause a stronger immune response among older adults

A new CDC co-authored study published today in the journal Clinical Infectious Diseases offers more evidence that certain specially formulated flu vaccines may offer people 65 years and older better p

Update: Interim Guidance for Health Care Providers for Managing Patients with Suspected E-cigarette, or Vaping, Product Use-Associated Lung Injury - United States, November 2019

A total of 2,172 U.S. e-cigarette, or vaping, product use-associated lung injury (EVALI) cases have been reported to CDC. Vitamin E acetate and tetrahydrocannabinol appear to be associated with the ou

Influenza Division Director Recognized Among Best in Federal Service

Jernigan, who has worked at CDC for 25 years, has led global responses to infectious disease outbreaks, including Ebola, SARS, West Nile virus and the 2009 H1N1 pandemic, while also working for the pa

Flu Forecasting Accuracy Results for the 2018-2019 Season

During the 2018-2019 flu season, 24 different teams participated in the flu forecasting initiative, each submitting 38 different weekly forecasts.

Update: Influenza Activity - United States and Worldwide, May 19-September 28, 2019, and Composition of the 2020 Southern Hemisphere Influenza Vaccine

Update: Influenza Activity - United States and Worldwide, May 19-September 28, 2019, and Composition of the 2020 Southern Hemisphere Influenza Vaccine

Influenza Vaccination Coverage - FluVaxView

CDC estimates annual influenza vaccination coverage for the United States by utilizing data from several nationally representative surveys.

Get Vaccinated to Fight Flu

The best step you can take to prevent influenza (flu) and its potentially serious complications is getting a yearly flu vaccine.

CDC Study Finds the Number of Babies Hospitalized with Flu Is at Least Double Previous Estimates

A CDC multi-country study reported in The Lancet Child & Adolescent Healthexternal icon has found that the number of children younger than 1 year who are hospitalized with flu is at least double curre

CDC Releases Additional STEM Educational Activities for Teachers to use with the "Junior Disease Detectives: Operation Outbreak" Graphic Novel

August 28, 2019-Today, the Centers for Disease Control and Prevention (CDC) released additional STEM (i.e., science, technology, engineering and math) educational activities for middle and high school