Tag: Vaccine effectiveness
-
Maine Experts Warn: This Flu Season Could Be Worse
Overview: A Potentially Tough Flu Season Ahead Public health officials in Maine and across the United States are sounding the alarm about a flu season that could be more challenging than recent years. A strain of influenza that isn’t an exact match for the vaccine has been circulating in multiple regions, including the United Kingdom,…
-
Canada Braces for a Tough Flu Season as H3N2 Strain Evolves and Vaccine Mismatch Looms
Canada Braces for a Severe Flu Season Canada is facing the prospect of its most challenging influenza season in years as health experts warn that a rapidly evolving H3N2 strain could reduce the effectiveness of the current vaccine. New federal data released on Friday suggests that flu activity is rising, with indications that Canada could…
-
Dengue Vaccine Qdenga Cuts Hospitalizations by 68% in Brazil Outbreak, Study Finds
Real-World Effectiveness of the Dengue Vaccine Qdenga During Brazil’s 2024 Outbreak A Brazilian study published in The Lancet Infectious Diseases provides the first real-world evidence of Qdenga’s effectiveness after its approval. Conducted during the 2024 dengue surge in São Paulo, the research tracked outcomes among tens of thousands of adolescents and sheds light on how…
-
Data Sought for Dec. 2025 COVID Vaccine Antigen Talks
Overview of the December 2025 TAG-CO-VAC Deliberations The World Health Organization’s Technical Advisory Group on COVID-19 Vaccine Composition (TAG-CO-VAC) continues to monitor the genetic and antigenic evolution of SARS-CoV-2, how the immune system responds to infection and vaccination, and how vaccines perform against circulating variants. Ahead of the December 2025 decision-making meeting, TAG-CO-VAC outlines the…
-
Data Sought for December 2025 COVID Vaccine Antigen Talks
Overview of TAG-CO-VAC and December 2025 Preparations The World Health Organization’s Technical Advisory Group on COVID-19 Vaccine Composition (TAG-CO-VAC) continues to monitor the genetic and antigenic evolution of SARS-CoV-2, immune responses to natural infection and vaccination, and how vaccines perform against circulating variants. In anticipation of its December 2025 meeting, TAG-CO-VAC outlines the data it…