User profiles for Hannah Christensen

Hannah Christensen

- Verified email at bristol.ac.uk - Cited by 3822

Hannah Christensen (nee Arnold)

- Verified email at physics.ox.ac.uk - Cited by 2709

Machine learning and artificial intelligence to aid climate change research and preparedness

…, ES Jeffers, MB Bonsall, HM Christensen… - Environmental …, 2019 - iopscience.iop.org
Climate change challenges societal functioning, likely requiring considerable adaptation to
cope with future altered weather patterns. Machine learning (ML) algorithms have advanced …

[HTML][HTML] Stochastic parameterization: Toward a new view of weather and climate models

…, A De La Camara, HM Christensen… - Bulletin of the …, 2017 - journals.ametsoc.org
Stochastic Parameterization: Toward a New View of Weather and Climate Models in:
Bulletin of the American Meteorological Society Volume 98 Issue 3 (2017) Jump to Content …

Re-evaluating cost effectiveness of universal meningitis vaccination (Bexsero) in England: modelling study

H Christensen, CL Trotter, M Hickman, WJ Edmunds - Bmj, 2014 - bmj.com
Objective To use mathematical and economic models to predict the epidemiological and
economic impact of vaccination with Bexsero, designed to protect against group B …

[HTML][HTML] Introducing vaccination against serogroup B meningococcal disease: an economic and mathematical modelling study of potential impact

H Christensen, M Hickman, WJ Edmunds, CL Trotter - Vaccine, 2013 - Elsevier
BACKGROUND: Meningococcal disease remains an important cause of morbidity and
mortality worldwide. The first broadly effective vaccine against group B disease (which causes …

Meningococcal carriage by age: a systematic review and meta-analysis

H Christensen, M May, L Bowen, M Hickman… - The Lancet infectious …, 2010 - thelancet.com
Background Neisseria meningitidis is an important cause of meningitis and septicaemia, but
most infected individuals experience a period of asymptomatic carriage rather than disease. …

Association of BCG, DTP, and measles containing vaccines with childhood mortality: systematic review

…, A Kakourou, K Chaplin, H Christensen… - bmj, 2016 - bmj.com
Objectives To evaluate the effects on non-specific and all cause mortality, in children under
5, of Bacillus Calmette-Guérin (BCG), diphtheria-tetanus-pertussis (DTP), and standard titre …

COVID-19 in older people: a rapid clinical review

…, JPT Higgins, L Scourfield, H Christensen… - Age and …, 2020 - academic.oup.com
Introduction the COVID-19 pandemic poses a high risk to older people. The aim of this
article is to provide a rapid overview of the COVID-19 literature, with a specific focus on older …

The Global Meningococcal Initiative: global epidemiology, the impact of vaccines on meningococcal disease and the importance of herd protection

…, J Carlos, DA Caugant, H Christensen… - Expert review of …, 2017 - Taylor & Francis
Introduction: The 2015 Global Meningococcal Initiative (GMI) meeting discussed the global
importance of meningococcal disease (MD) and its continually changing epidemiology. …

Impact of opioid substitution therapy on antiretroviral therapy outcomes: a systematic review and meta-analysis

…, KM Turner, KJ Looker, H Christensen… - Clinical Infectious …, 2016 - academic.oup.com
Background. Human immunodeficiency virus (HIV)–infected people who inject drugs (PWID)
frequently encounter barriers accessing and remaining on antiretroviral therapy (ART). …

Stochastic representations of model uncertainties at ECMWF: State of the art and future vision

…, M Bonavita, HM Christensen… - Quarterly Journal of …, 2017 - Wiley Online Library
Members in ensemble forecasts differ due to the representations of initial uncertainties and
model uncertainties. The inclusion of stochastic schemes to represent model uncertainties …