Nicholas C Grassly
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Explore the profile of Nicholas C Grassly including associated specialties, affiliations and a list of published articles.
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112
Citations
4083
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Recent Articles
1.
Abraham D, Kathiresan L, Sasikumar M, Aiemjoy K, Charles R, Kumar D, et al.
PLoS Negl Trop Dis
. 2025 Mar;
19(3):e0012373.
PMID: 40029872
Background: Blood culture-based surveillance for typhoid fever has limited sensitivity, and operational challenges are encountered in resource-limited settings. Environmental surveillance targeting Salmonella Typhi (S. Typhi) shed in wastewater (WW), coupled...
2.
Owusu M, Darko E, Akortia D, Nkrumah G, Twumasi-Ankrah S, Owusu-Ansah M, et al.
PLoS One
. 2025 Feb;
20(2):e0318840.
PMID: 40009631
Background: Typhoid fever causes substantial mortality and morbidity in low and middle-income countries (LMICs) as a result of inadequate water, hygiene, and sanitation facilities. The gold standard for typhoid diagnosis...
3.
Cooper L, Bandyopadhyay A, Grassly N, Gray E, Voorman A, Zipursky S, et al.
J Infect Dis
. 2025 Jan;
231(2):e446-e455.
PMID: 39873524
Background: Between 2016 and 2023, 3248 cases of circulating vaccine-derived type 2 poliomyelitis (cVDPV2) were reported globally and supplementary immunization activities (SIAs) with monovalent type 2 oral poliovirus vaccine (mOPV2)...
4.
Pons-Salort M, Blake I, Grassly N
Clin Microbiol Infect
. 2025 Jan;
PMID: 39864660
No abstract available.
5.
Derqui N, Blake I, Gray E, Cooper L, Grassly N, Pons-Salort M, et al.
PLOS Glob Public Health
. 2024 Nov;
4(11):e0003749.
PMID: 39591390
Vaccination timeliness is often not considered among standard performance indicators of routine vaccination programmes, such as vaccination coverage, yet quantifying vaccination delay could inform policies to promote in-time vaccination and...
6.
Kamau E, Lambert B, Allen D, Celma C, Beard S, Harvala H, et al.
PLoS Pathog
. 2024 Nov;
20(11):e1012703.
PMID: 39565769
Enterovirus A71 (EV-A71) and coxsackievirus A6 (CVA6) primarily cause hand, foot and mouth disease and have emerged to cause potential fatal neurological and systemic manifestations. However, limited surveillance data collected...
7.
Jorgensen D, Grassly N, Pons-Salort M
Lancet Microbe
. 2024 Sep;
6(1):100938.
PMID: 39332429
Enterovirus D68 (EV-D68), first isolated in 1962, emerged in 2014, causing outbreaks of severe respiratory infections and acute flaccid myelitis. In this systematic review, we have compiled all available literature...
8.
Uzzell C, Gray E, Rigby J, Troman C, Diness Y, Mkwanda C, et al.
PLoS Negl Trop Dis
. 2024 Sep;
18(9):e0012518.
PMID: 39331692
Environmental surveillance for Salmonella Typhi may provide information on the community-level dynamics of typhoid fever in resource poor regions experiencing high disease burden. Many knowledge gaps concerning the feasibility of...
9.
Grassly N, Shaw A, Owusu M
Lancet Microbe
. 2024 Sep;
6(1):100939.
PMID: 39222653
Wastewater surveillance holds great promise as a sensitive method to detect spillover of zoonotic infections and early pandemic emergence, thereby informing risk mitigation and public health response. Known viruses with...
10.
Williams L, Emary K, Phillips D, Hay J, Larwood J, Ramasamy M, et al.
Vaccine
. 2024 Jul;
42(21):126167.
PMID: 39060202
Background: For pathogens which cause infections that present asymptomatically, evaluating vaccine efficacy (VE) against asymptomatic infection is important for understanding a vaccine's potential epidemiological impact. Regular testing for subclinical infections...