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M. Groome · SciRah

Researcher profile · Semantic Scholar

M. Groome

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M. Groome — researcher profile on SciRah

h-index: 46
Works: 170
Citations: 11K

Most-cited papers

Duration of effectiveness of vaccines against SARS-CoV-2 infection and COVID-19 disease: results of a systematic review and meta-regression
D. Feikin, M. Higdon, L. Abu-Raddad, N. Andrews +10 more
2022The Lancet1,043 citations Open access
Semantic Scholar
Causes of severe pneumonia requiring hospital admission in children without HIV infection from Africa and Asia: the PERCH multi-country case-control study
K. O'Brien, H. Baggett, W. A. Brooks, D. Feikin +73 more
2019The Lancet700 citations Open access
Semantic Scholar
Early assessment of the clinical severity of the SARS-CoV-2 Omicron variant in South Africa
N. Wolter, W. Jassat, S. Walaza, R. Welch +24 more
2021medRxiv668 citations Open access
Semantic Scholar
Increased risk of SARS-CoV-2 reinfection associated with emergence of Omicron in South Africa
J. Pulliam, C. van Schalkwyk, N. Govender, A. von Gottberg +5 more
2022Science643 citations Open access
Semantic Scholar
Global burden of respiratory infections associated with seasonal influenza in children under 5 years in 2018: a systematic review and modelling study
Xin Wang, You Li, K. O'Brien, S. Madhi +144 more
2020Lancet Global Health387 citations Open access
Semantic Scholar
Early assessment of the clinical severity of the SARS-CoV-2 omicron variant in South Africa: a data linkage study
N. Wolter, W. Jassat, S. Walaza, R. Welch +24 more
2022The Lancet285 citations Open access
Semantic Scholar
Increased risk of SARS-CoV-2 reinfection associated with emergence of the Omicron variant in South Africa 2021-12-01
J. Pulliam, C. van Schalkwyk, N. Govender, Anne Von +7 more
2021190 citations
Semantic Scholar
Clinical severity of COVID-19 in patients admitted to hospital during the omicron wave in South Africa: a retrospective observational study
W. Jassat, S. Abdool Karim, C. Mudara, R. Welch +9 more
2022Lancet Global Health154 citations Open access
Semantic Scholar
Increased risk of SARS-CoV-2 reinfection associated with emergence of the Omicron variant in South Africa 2021-12-01
J. Pulliam, C. van Schalkwyk, N. Govender, Anne Von +7 more
2021133 citations
Semantic Scholar
SARS-CoV-2 reinfection trends in South Africa: analysis of routine surveillance data
J. Pulliam, C. van Schalkwyk, N. Govender, A. von Gottberg +5 more
2021medRxiv93 citations Open access
Semantic Scholar
Effectiveness of the Ad26.COV2.S vaccine in health-care workers in South Africa (the Sisonke study): results from a single-arm, open-label, phase 3B, implementation study
L. Bekker, N. Garrett, A. Goga, L. Fairall +77 more
2022The Lancet77 citations Open access
Semantic Scholar
Clinical severity of SARS-CoV-2 Omicron BA.4 and BA.5 lineages compared to BA.1 and Delta in South Africa
N. Wolter, W. Jassat, S. Walaza, R. Welch +25 more
2022Nature Communications76 citations Open access
Semantic Scholar
Post-COVID-19 condition 3 months after hospitalisation with SARS-CoV-2 in South Africa: a prospective cohort study
M. Dryden, C. Mudara, C. Vika, Lucille Blumberg +12 more
2022Lancet Global Health71 citations Open access
Semantic Scholar
Safety and immunogenicity of a parenteral trivalent P2-VP8 subunit rotavirus vaccine: a multisite, randomised, double-blind, placebo-controlled trial
M. Groome, L. Fairlie, J. Morrison, A. Fix +11 more
2020Lancet. Infectious Diseases (Print)62 citations Open access
Semantic Scholar
A cohort study of post-COVID-19 condition across the Beta, Delta, and Omicron waves in South Africa: 6-month follow-up of hospitalized and nonhospitalized participants
W. Jassat, C. Mudara, C. Vika, R. Welch +14 more
2022International Journal of Infectious Diseases60 citations Open access
Semantic Scholar
Colonization Density of the Upper Respiratory Tract as a Predictor of Pneumonia—Haemophilus influenzae, Moraxella catarrhalis, Staphylococcus aureus, and Pneumocystis jirovecii
Daniel E. Park, H. Baggett, Stephen R. C. Howie, Q. Shi +78 more
2017Clinical Infectious Diseases59 citations Open access
Semantic Scholar
Clinical Severity of COVID-19 Patients Admitted to Hospitals in Gauteng, South Africa During the Omicron-Dominant Fourth Wave
W. Jassat, S. Karim, C. Mudara, R. Welch +8 more
2021Social Science Research Network50 citations Open access
Semantic Scholar
Microscopic Analysis and Quality Assessment of Induced Sputum From Children With Pneumonia in the PERCH Study
David R. Murdoch, Susan C. Morpeth, Laura L. Hammitt, A. Driscoll +76 more
2017Clinical Infectious Diseases46 citations Open access
Semantic Scholar
Performance of Surveillance Case Definitions in Detecting Respiratory Syncytial Virus Infection Among Young Children Hospitalized With Severe Respiratory Illness-South Africa, 2009-2014.
B. Rha, Rebecca Dahl, J. Moyes, A. Binder +12 more
2018Journal of the Pediatric Infectious Diseases Society41 citations Open access
Semantic Scholar
Evaluation of Intussusception After Oral Monovalent Rotavirus Vaccination in South Africa
M. Groome, J. Tate, M. Arnold, Milind Chitnis +10 more
2019Clinical Infectious Diseases34 citations Open access
Semantic Scholar
Prevalence of Congenital Cytomegalovirus Infection and Associated Risk of In-utero HIV Acquisition in a High HIV Prevalence Setting, South Africa.
J. Pathirana, M. Groome, J. Dorfman, G. Kwatra +4 more
2019Clinical Infectious Diseases29 citations
Semantic Scholar
Trends in Cases, Hospitalizations, and Mortality Related to the Omicron BA.4/BA.5 Subvariants in South Africa
W. Jassat, S. Abdool Karim, L. Ozougwu, R. Welch +15 more
2022Clinical Infectious Diseases27 citations Open access
Semantic Scholar
Vaccine value profile for norovirus
G. Armah, Benjamin A. Lopman, J. Vinjé, Miguel O'Ryan +6 more
2023Vaccine25 citations Open access
Semantic Scholar
Epidemiology of human astroviruses among children younger than 5 years: Prospective hospital‐based sentinel surveillance in South Africa, 2009‐2014
S. Nadan, Maureen B. Taylor, M. Groome, C. Cohen +2 more
2018Journal of Medical Virology25 citations Open access
Semantic Scholar
Duration of Effectiveness of Vaccines Against SARS-CoV-2 Infection and COVID-19 Disease: Results of a Systematic Review and Meta-Regression
D. Feikin, M. Higdon, L. Abu-Raddad, Nick Andrews +10 more
2021Social Science Research Network21 citations Open access
Semantic Scholar
Clinical presentation and management of childhood intussusception in South Africa
S. Cox, A. Withers, M. Arnold, Milind Chitnis +10 more
2021Pediatric surgery international (Print)20 citations Open access
Semantic Scholar
Measuring Rotavirus Vaccine Impact in Sub-Saharan Africa
A. Steele, M. Groome
2019Clinical Infectious Diseases18 citations Open access
Semantic Scholar
Changing Epidemiology of COVID-19 in Children and Adolescents Over Four Successive Epidemic Waves in South Africa, 2020–2022
Nicola Chiwandire, W. Jassat, M. Groome, T. Kufa +12 more
2023Journal of the Pediatric Infectious Diseases Society16 citations Open access
Semantic Scholar
Clinical severity of COVID-19 patients admitted to hospitals during the Omicron wave in South Africa
W. Jassat, S. A. Karim, C. Mudara, R. Welch +9 more
2022medRxiv16 citations Open access
Semantic Scholar
Increased risk of SARS-CoV-2 reinfection associated with emergence of the Omicron variant in South Africa 2021-12-01
J. Pulliam, C. van Schalkwyk, N. Govender, Anne Von +7 more
202115 citations
Semantic Scholar
Trends in COVID-19 admissions and deaths among people living with HIV in South Africa: analysis of national surveillance data.
W. Jassat, C. Mudara, L. Ozougwu, R. Welch +19 more
2024The Lancet HIV14 citations
Semantic Scholar
Diarrhoeal diseases in Soweto, South Africa, 2020: a cross-sectional community survey
S. Johnstone, N. Page, Juno Thomas, S. Madhi +4 more
2021BMC Public Health14 citations Open access
Semantic Scholar
Neurological and growth outcomes in South African children with congenital cytomegalovirus: A cohort study
J. Pathirana, L. Texeira, Hannah Munian, F. Nakwa +5 more
2020PLoS ONE14 citations Open access
Semantic Scholar
FUT2 Secretor Status Influences Susceptibility to VP4 Strain-Specific Rotavirus Infections in South African Children
J. MacDonald, M. Groome, J. Mans, N. Page
2020Pathogens14 citations Open access
Semantic Scholar
In utero human cytomegalovirus infection is associated with increased levels of putatively protective maternal antibodies in nonprimary infection: evidence for boosting but not protection.
J. Dorfman, Sashkia R. Balla, J. Pathirana, M. Groome +2 more
2021Clinical Infectious Diseases12 citations
Semantic Scholar
Undiagnosed comorbidities among individuals hospitalised with COVID-19 in South African public hospitals.
W. Jassat, C. Mudara, C. Vika, M. Dryden +13 more
2022South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde9 citations Open access
Semantic Scholar
Leveraging epidemiology as a decision support tool during the COVID-19 epidemic in South Africa
S. Silal, M. Groome, N. Govender, J. Pulliam +12 more
2022South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde8 citations Open access
Semantic Scholar
TLR genetic variation is associated with Rotavirus–specific IgA seroconversion in South African Black infants after two doses of Rotarix vaccine
T. Miya, M. Groome, D. de Assis Rosa
2021Vaccine8 citations Open access
Semantic Scholar
Effectiveness of the Ad26.Cov2.S Vaccine in Health Care Workers in South Africa
L. Bekker, N. Garrett, A. Goga, L. Fairall +40 more
2021Social Science Research Network8 citations Open access
Semantic Scholar
Understanding the full clinical spectrum of childhood diarrhoea in low-income and middle-income countries
M. Groome, U. Parashar
2019Lancet Global Health8 citations Open access
Semantic Scholar
The intersection of age, sex, race and socioeconomic status in COVID-19 hospital admissions and deaths in South Africa
W. Jassat, L. Ozougwu, Shehnaz Munshi, C. Mudara +11 more
2022South African Journal of Science7 citations Open access
Semantic Scholar
A decade of rotavirus vaccination in Africa - Saving lives and changing the face of diarrhoeal diseases: Report of the 12th African Rotavirus Symposium.
M. Mphahlele, M. Groome, N. Page, N. Bhagwandin +2 more
2021Vaccine7 citations
Semantic Scholar
Mortality in children aged <5 years with severe acute respiratory illness in a high HIV-prevalence urban and rural areas of South Africa, 2009–2013
O. Ayeni, S. Walaza, S. Tempia, M. Groome +11 more
2021PLoS ONE6 citations Open access
Semantic Scholar
Incidence of febrile seizures and associated factors in children in Soweto, South Africa.
N. Tebeila, Z. Dangor, S. Madhi, Clare L. Cutland +1 more
2021South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde6 citations Open access
Semantic Scholar
How Gavi support for RSV immunisation will advance health equity.
H. Barsosio, Louis J. Bont, M. Groome, R. Karron +5 more
2025The Lancet5 citations Open access
Semantic Scholar
Development of a respiratory severity score for hospitalized adults in a high HIV-prevalence setting—South Africa, 2010–2011
A. Millman, A. Greenbaum, S. Walaza, A. Cohen +9 more
2017BMC Pulmonary Medicine5 citations Open access
Semantic Scholar
Oral rotavirus vaccine effectiveness among malnourished children in 19 countries: findings from the MNSSTER-V project
E. Burnett, Ismail Ticklay, Jazmina Umaña, I. Mandomando +21 more
2026Journal of Pediatric Gastroenterology and Nutrition - JPGN4 citations
Semantic Scholar
ABO blood types, but not Secretor or Lewis blood types, influence strength of antibody response to Hepatitis B vaccine in Black South African children.
A. Berry, Daniel Kapelus, Payal Singh, M. Groome +1 more
2023Vaccine4 citations
Semantic Scholar
Post COVID-19 Condition in South Africa: 3-month follow-up after hospitalisation with SARS-CoV-2
M. Dryden, C. Mudara, C. Vika, Lucille Blumberg +12 more
2022medRxiv4 citations Open access
Semantic Scholar
Epidemiology of invasive bacterial infections in pneumococcal conjugate vaccine-vaccinated and -unvaccinated children under 5 years of age in Soweto, South Africa: a cohort study from a high-HIV burden setting
S. Johnstone, D. Moore, K. Klugman, S. Madhi +1 more
2020Paediatrics and International Child Health4 citations
Semantic Scholar

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