Helen I McDonald
Overview
Explore the profile of Helen I McDonald including associated specialties, affiliations and a list of published articles.
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53
Citations
4981
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Recent Articles
1.
Williamson E, Tazare J, Bhaskaran K, Walker A, McDonald H, Tomlinson L, et al.
Wellcome Open Res
. 2025 Feb;
5:243.
PMID: 39931522
On March 11th 2020, the World Health Organization characterised COVID-19 as a pandemic. Responses to containing the spread of the virus have relied heavily on policies involving restricting contact between...
2.
Suffel A, Carreira H, Walker J, Grint D, Osborn D, McDonald H, et al.
Vaccine
. 2024 Nov;
43(Pt 2):126529.
PMID: 39566366
Background: Maternal mental illness (MMI) affects almost a quarter of mothers and may impact a child's development and physical health. It remains unclear whether MMI is associated with altered utilization...
3.
Graham S, Walker J, Andrews N, Hulme W, Nitsch D, Parker E, et al.
Open Forum Infect Dis
. 2024 Oct;
11(10):ofae598.
PMID: 39474443
Background: Health-seeking behavior and health care access (HSB/HCA) are recognized confounders in many observational studies but are not directly measurable in electronic health records. We used proxy markers of HSB/HCA...
4.
Suffel A, Walker J, Campbell C, Carreira H, Warren-Gash C, McDonald H
Pharmacoepidemiol Drug Saf
. 2024 Aug;
33(8):e5848.
PMID: 39092455
Background: Routinely collected electronic health records (EHR) offer a valuable opportunity to carry out research on immunization uptake, effectiveness, and safety, using large and representative samples of the population. In...
5.
Tazare J, Henderson A, Morley J, Blake H, McDonald H, Williamson E, et al.
BJGP Open
. 2024 Mar;
8(3).
PMID: 38438199
Background: The English NHS data opt-out allows people to prevent use of their health data for purposes other than direct care. In 2021, the number of opt-outs increased in response...
6.
Andresen K, Carreira H, Strongman H, McDonald H, Benitez-Majano S, Mansfield K, et al.
BMC Cancer
. 2023 Sep;
23(1):839.
PMID: 37679679
Background: Colorectal cancer survival has improved in recent decades but there are concerns that survivors may develop kidney problems due to adverse effects of cancer treatment or complications of the...
7.
Suffel A, Walker J, Williamson E, McDonald H, Warren-Gash C
Vaccine
. 2023 Aug;
41(39):5775-5781.
PMID: 37574342
Introduction: Vaccine surveillance for children in England focuses on coverage at ages 1, 2, and 5 years. Previous studies exploring vaccine timeliness have used different arbitrary categories to define whether...
8.
Graham S, Tessier E, Stowe J, Lopez Bernal J, Parker E, Nitsch D, et al.
Nat Commun
. 2023 Jul;
14(1):3984.
PMID: 37414791
National test-negative-case-control (TNCC) studies are used to monitor COVID-19 vaccine effectiveness in the UK. A questionnaire was sent to participants from the first published TNCC COVID-19 vaccine effectiveness study conducted...
9.
Tazare J, Walker A, Tomlinson L, Hickman G, Rentsch C, Williamson E, et al.
Wellcome Open Res
. 2023 Jun;
7:142.
PMID: 37362009
Patients surviving hospitalisation for COVID-19 are thought to be at high risk of cardiometabolic and pulmonary complications, but quantification of that risk is limited. We aimed to describe the overall...
10.
Hulme W, Williamson E, Horne E, Green A, McDonald H, Walker A, et al.
Ann Intern Med
. 2023 May;
176(5):685-693.
PMID: 37126810
The COVID-19 vaccines were developed and rigorously evaluated in randomized trials during 2020. However, important questions, such as the magnitude and duration of protection, their effectiveness against new virus variants,...