COVID-19

Get the latest COVID-19 analysis, as evidence becomes available

  • COVID-19 vaccines and virus transmission

    COVID-19 vaccines have been deployed in the UK since December 2020. This article examines the impact of COVID-19 vaccines on transmission of the virus. It also considers the potential implications of vaccine-induced protection for easing lockdown restrictions and debate about potential introduction of immunity certification or a vaccine passport scheme.

    COVID-19 vaccines and virus transmission
  • Changing the UK COVID-19 vaccine dosing schedule

    On December 31, 2020 the four UK Chief Medical Officers (CMOs) published a statement announcing changes to the dosing schedule for the second dose of the Pfizer/BioNTech and University of Oxford/AstraZeneca vaccines. It stated that the interval between the first and second dose should be extended from 3–4 weeks to up to 12 weeks. This rapid response examines the evidence behind this decision.

    Changing the UK COVID-19 vaccine dosing schedule
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  • Food and drink reformulation to reduce fat, sugar and salt

    What does it mean to reformulate food and drinks? How does it support healthier diets and lead to public health benefits? This POSTnote gives an overview of the most recent food and drink reformulation policies in the UK, the evidence on public health benefits and the effectiveness of different policies. It also explores challenges and opportunities for reformulation and describes some of the complementary approaches to improve public health.

    Food and drink reformulation to reduce fat, sugar and salt
  • AI and healthcare

    There are various applications of Artificial Intelligence (AI) in healthcare, such as helping clinicians to make decisions, monitoring patient health, and automating routine administrative tasks. This POSTnote gives an overview of these uses, and their potential impacts on the cost and quality of healthcare, and on the workforce. It summarises the challenges to wider adoption of AI in healthcare, including those relating to safety, privacy, data-sharing, trust, accountability and health inequalities. It also outlines some of the regulations relevant to AI, and how these may change. As healthcare is a devolved issue, policies on healthcare AI differ across the UK. This POSTnote focusses on regulations and policies relevant to England.

    AI and healthcare
  • Woodland creation

    Large-scale woodland creation is being promoted internationally to mitigate climate change. It can also supply other benefits, such as improving biodiversity, air and water quality. This POSTnote summarises key factors influencing how much carbon is taken up by woodland, the different objectives of woodland creation, constraints to increasing UK tree cover and different finance options.

    Woodland creation
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