Influenza – Immunization Coalition of Delaware

Recommended Composition of Flu Vaccines for 2024-2025

Posted on February 26, 2024 by Kate Smith

The WHO recommends that trivalent vaccines for use in the 2024-2025 northern hemisphere influenza season contain the following: Egg-based vaccines an A/Victoria/4897/2022 (H1N1)pdm09-like virus; an A/Thailand/8/2022 (H3N2)-like virus; and a B/Austria/1359417/2021 (B/Victoria lineage)-like virus. Cell culture- or recombinant-based vaccines an A/Wisconsin/67/2022 (H1N1)pdm09-like virus; an A/Massachusetts/18/2022 (H3N2)-like virus; and a B/Austria/1359417/2021 (B/Victoria lineage)-like virus. For quadrivalent egg- or cell culture-based or recombinant vaccines for use in the 2024-2025 northern hemisphere influenza season: While the B/Yamagata lineage vaccine component should be excluded as it is no longer warranted, where quadrivalent vaccines are still in use, the B/Yamagata lineage component remains unchanged: Egg-, cell- or Read More …

DPH Confirms Flu-Related Deaths During 2023-2024 Season

Posted on January 30, 2024 by Kate Smith

NEWS FROM THE DEPARTMENT OF HEALTH AND SOCIAL SERVICES FOR IMMEDIATE RELEASE For more information, contact Laura Matusheski, Media Relations Coordinator, (302) 824-3970 or DPHMedia@delaware.gov. DPH Confirms Flu-Related Deaths During 2023-2024 Flu Season, Urges Public to Get Vaccinated DOVER, DE (Jan. 30, 2024) – The Delaware Division of Public Health (DPH) announced today six (6) suspected flu-related deaths for the 2023-2024 influenza season. The first recorded death of the season was in December. All decedents were over the age of 55 with one reportedly up to date on their flu vaccination. Three of the decedents were New Castle County residents, Read More …

DPH Announces Start of Flu Season

Posted on October 6, 2022January 9, 2023 by Kate Smith

DOVER, DE (Sept. 29, 2022) – October 2 marks the official start of the 2022-2023 influenza (flu) season. The flu vaccine plays a pivotal role in helping to avoid significant flu-related illnesses, including hospitalization and death. The Delaware Division of Public Health (DPH) believes it is vital for Delawareans to protect themselves and their loved ones by getting the flu vaccine as soon as possible, particularly given the ongoing battle against COVID-19 and a potentially active flu season ahead. The U.S. often looks to the experience of Australia and New Zealand in the Southern Hemisphere during their flu season in the summer as a possible Read More …

Vaccines a Poor Match for 2021-2022 Flu Season

Posted on March 11, 2022March 11, 2022 by Kate Smith

Preliminary CDC estimates released yesterday show flu vaccines were not a good match for the most common strain circulating through the current 2021-2022 flu season, which peaked in December. Shots did not reduce the risk of mild or moderate flu caused by the H3N2 virus, the analysis concludes. Read more

2022-2023 Flu Vaccine Composition

Posted on February 28, 2022February 28, 2022 by Kate Smith

February 25, 2022. The World Health Organization (WHO) today announced the recommendations for the viral composition of influenza vaccines for the 2022-2023 influenza season in the northern hemisphere. The announcement was made at an information session at the end of a 4-day Information Meeting on the Composition of Influenza Virus Vaccines, a meeting that is held twice annually. The WHO recommends that quadrivalent vaccines for use in the 2022-2023 influenza season in the northern hemisphere contain the following: Egg-based vaccines an A/Victoria/2570/2019 (H1N1)pdm09-like virus; an A/Darwin/9/2021 (H3N2)-like virus; a B/Austria/1359417/2021 (B/Victoria lineage)-like virus; and a B/Phuket/3073/2013 (B/Yamagata lineage)-like virus. Cell Read More …

Category: Influenza