The CDC also provided data on the rise of subclade K among H3N2 flu viruses ahead of holiday gatherings. Continue Reading »

Workers in high-risk jobs had a 44% higher likelihood of developing long COVID. Continue Reading »

Patients present with more severe illness than before COVID, even as hospital mortality rates return to prepandemic levels.  Continue Reading »

Working while sick increased over time, from less than 2% in 2020 to 15% in 2024. Continue Reading »

Employees who took the antiviral drug had 5% fewer workday absences. Continue Reading »

The increase in developmental delays was up to 6.6% higher for children who experienced physical distancing measures for a longer period. Continue Reading »

The study confirms the safety and benefits of COVID-19 vaccines for pregnant women at a time when federal officials are publicly raising doubts about the safety of immunizations. Continue Reading »

In addition, the emergence of the influenza A H3N2 subclade K virus fueled a record number of flu cases in Australia this year and extended the season, which may have implications for the Northern Hemisphere season. Continue Reading »

Adults aged 40 to 64 had more than double the risk of their matched peers. Continue Reading »

The findings draw on data from more than 98,000 pediatric cases. Continue Reading »

Vaccinated adults had a 74% lower risk of death from severe COVID. Continue Reading »

Researchers identify nearly 5 excess cardiovascular events per 100 patients in the year after diagnosis. Continue Reading »

The comments centered on a memo from FDA Center for Biologics Evaluation and Research Director Vinay Prasad. Continue Reading »

Just 34% of US adults have gotten a flu shot, 25% have had a COVID vaccine, 8% have received the pneumococcal vaccine, and 6% have been vaccinated against RSV. Continue Reading »

“We are deeply concerned by sweeping new FDA assertions about vaccine safety and proposals that would undermine a regulatory model designed to ensure that vaccines are safe, effective, and available," write 12 former FDA directors. Continue Reading »

Current US hot spots are Utah, Arizona, and South Carolina. Continue Reading »

Vinay Prasad claimed—but provided no evidence—that COVID-19 vaccines caused the death of 10 children. Continue Reading »

The association may be explained by shared biological pathways, such as chronic inflammation and neuroinflammation. Continue Reading »

The findings highlight the condition’s diverse manifestations and lay the groundwork for future research.  Continue Reading »

The requirements didn't increase weekly vaccination rates or cut cases and deaths in adults or children, despite their success in other countries. Continue Reading »

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 13-19 December 2025 and includes updates on respiratory virus epidemiology, SARS-CoV-2 variants, mpox, leprosy, Marburg virus disease, dengue, and chikungunya. Continue Reading »

A study published today shows how public health laboratories can become more resilient against future respiratory infectious diseases. The findings call for sustained capacity, better coordination and EU-level support. Continue Reading »

The purpose of this study was to provide evidence on how to help public health laboratories be better prepared and more resilient to future public health challenges related to respiratory infectious diseases. Continue Reading »

Influenza vaccine coverage remains below the WHO-recommended threshold for risk groups in most EU/EEA countries, while COVID-19 vaccine coverage is declining across most countries. Continue Reading »

This Reporting Protocol describes data collection for influenza, COVID-19, and other respiratory viruses (such as RSV or new viruses of public health concern) in the EU/EEA and wider WHO European Region. Data collection is integrated for most datasets in line ... Continue Reading »

A new modelling study from RespiCompass, the European respiratory disease modelling hub coordinated by ECDC, indicates that influenza and COVID-19 vaccination programmes markedly reduced hospitalisations among older adults across Europe in the 2024/25 season. Continue Reading »

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 6-12 December 2025 and includes updates on respiratory virus epidemiology in the EU/EEA, measles, Middle East respiratory syndrome (MERS-CoV), West Nile virus, and Marburg virus disease (MVD). Continue Reading »

Respiratory viruses are on the rise across the EU/EEA: influenza activity is increasing rapidly and circulating widely, RSV is slowly increasing, while SARS-CoV-2 circulation continues to decrease. Continue Reading »

SARS-CoV-2 and influenza viruses are significant public health threats with varying impacts on global health. SARS-CoV-2, the virus behind the COVID-19 pandemic, exhibits high transmissibility and recurrent waves driven by new variants. Continue Reading »

This protocol describes the methods to estimate the Coronavirus disease 2019 (COVID-19) XBB.1.5. monovalent-adapted VE in immunocompromised persons (ICP), against COVID-19 hospitalisations and deaths. Continue Reading »