Bird Flu | Bird Flu | CDC - Centers for Disease Control and Prevention
Infections with highly pathogenic avian influenza A(H5N1) viruses in mammals have been reported. Bird Flu Detections in US Wild Birds January 14, 2024, USDA APHIS reported the first H5N1 detection in wild birds in the US since 2016.
H5 Bird Flu: Current Situation | Bird Flu | CDC - Centers for Disease ...
3 days ago · Public health professionals and laboratorians can visit CDC's avian influenza (bird flu) information for public health partners for the latest guidance. Learn more. Get a seasonal flu vaccine Seasonal flu vaccination will not prevent infection with bird flu viruses, but can reduce the risk of getting sick with human influenza viruses and thus ...
About Bird Flu | Bird Flu | CDC - Centers for Disease Control and ...
Dec 30, 2024 · Seasonal flu vaccines are not designed or intended to protect against avian influenza A viruses. CDC has developed H5 candidate vaccine viruses (CVVs) that are nearly identical to or, in many cases, identical to the hemagglutinin (HA) protein of recently detected clade 2.3.4.4b avian influenza A(H5N1) viruses in humans, birds and other mammals.
Prevention and Antiviral Treatment of Avian Influenza A Viruses in ...
Seasonal flu vaccines do not provide protection against avian influenza A viruses. CDC has developed H5 candidate vaccine viruses (CVVs) that are nearly identical or, in many cases, identical to the hemagglutinin (HA) protein of recently detected clade 2.3.4.4b avian influenza A(H5N1) viruses in humans, birds and other mammals.
Highly Pathogenic Avian Influenza A(H5N1) Virus: Interim ...
Dec 26, 2024 · Summary. The purpose of this guidance is to outline CDC's recommendations for preventing exposures to highly pathogenic avian influenza (HPAI) A(H5N1) viruses, infection prevention and control measures including the use of personal protective equipment, testing, antiviral treatment, patient investigations, monitoring of exposed persons (including persons exposed to sick or dead wild and ...
USDA Reported H5N1 Bird Flu Detections in Poultry - CDC
4 days ago · Highly pathogenic avian influenza (HPAI) A(H5) viruses have been detected in U.S. wild aquatic birds, commercial poultry and backyard or hobbyist flocks beginning in January 2022. The latest H5N1 bird flu detections in backyard and commercial poultry by state and county are provided on this webpage.
Avian Influenza in Birds: Causes and How It Spreads - CDC
May 3, 2024 · Avian influenza A viruses are classified into the following two categories: low pathogenicity avian influenza (LPAI) A viruses, and highly pathogenic avian influenza (HPAI) A viruses. The categories refer to molecular characteristics of a virus and the virus' ability to cause disease and mortality in chickens in a laboratory setting .
Backyard Flock Owners: Protect Yourself from Bird Flu - CDC
May 3, 2024 · USDA has information on cleaning and disinfecting or fallowing of premises that were contaminated with highly pathogenic avian influenza virus and information on good biosecurity practices: Cleaning & Disinfection Basics (Virus Elimination) (usda.gov) [2 Pages, 11.33" × 14.67"]
Current Situation: Bird Flu in Dairy Cows | Bird Flu | CDC
5 days ago · CDC systems that monitor national, state, and local level influenza data are being used during the current avian influenza A(H5N1) situation. These systems show no indicators of unusual influenza activity in people, including avian influenza A(H5N1).
How CDC is monitoring influenza data among people to better …
Jan 4, 2025 · CDC receives weekly avian influenza A(H5) virus data from a CDC contract partner, an academic partner group, and some state health departments. In each site, wastewater sampling and testing occurs one or more times during the week. Wastewater data cannot determine the source of avian influenza A(H5) viruses.