Long COVID patients show immunological improvement two years after infection Biomarkers for long COVID that were present in patients at eight months have largely resolved by 24 months among a cohort of people who contracted COVID-19 during Australia's first wave. Science X Medical Xpress

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Study Finds Adult Vaccination Programs Deliver 19x Returns - Health Policy Watch The research, carried out by the Office of Health Economics (OHE) and funded by IFPMA, revealed that adult vaccination programs can deliver a return of up to Health Policy Watch

Amidst the anticipated increase in vaccine-preventable diseases as the global population ages, a first-of-its-kind study has underscored the dual benefits of adult immunization programs.

COVID-19 booster immunity lasts much longer than primary series alone, study shows

A new study coming out of York University's Centre for Disease Modelling in the Faculty of Science shows that immunity after a COVID-19 booster lasts much longer than the primary series alone. These findings are among other—sometimes "unintuitive"—revelations of how factors like age, sex and comorbidities do and don't affect immune response.

The work is published in the journal Scientific Reports.

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Risk of bird flu spreading to humans is ‘enormous concern’, says WHO Chief scientist voices fears about H5N1 variant that has ‘extraordinarily high’ mortality rate in humans The Guardian

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After COVID, WHO defines disease spread 'through air' The World Health Organization and around 500 experts have agreed for the first time what it means for a disease to spread through the air, in a bid to avoid the confusion early in the COVID-19 pandemic that some scientists have said cost lives. Jennifer Rigby Reuters

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COVID-19 caused 21% excess of respiratory infections last winter, analysis finds Adults aged 30 to 39 years had the highest cumulative incidence, with 208 infections per 100 people. CIDRAP

A new study based on German data shows that SARS-CoV-2 caused a 21% excess of acute respiratory infections (ARIs) during the winter of 2022-23. The study was published this week in the International Journal of Infectious Diseases and suggests COVID-19 will add a significant burden during cold and flu seasons. 

Study shows increase in serious alcohol-related complications early in pandemic Women aged 40 to 64 years experienced increases of 33.3% to 56.0% in serious alcohol complication episodes in 10 of the 18 months. CIDRAP

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