Umesh Lalloo

9.9k total citations · 3 hit papers
105 papers, 5.7k citations indexed

About

Umesh Lalloo is a scholar working on Infectious Diseases, Epidemiology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Umesh Lalloo has authored 105 papers receiving a total of 5.7k indexed citations (citations by other indexed papers that have themselves been cited), including 45 papers in Infectious Diseases, 41 papers in Epidemiology and 32 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Umesh Lalloo's work include Tuberculosis Research and Epidemiology (25 papers), Pneumocystis jirovecii pneumonia detection and treatment (24 papers) and HIV/AIDS drug development and treatment (17 papers). Umesh Lalloo is often cited by papers focused on Tuberculosis Research and Epidemiology (25 papers), Pneumocystis jirovecii pneumonia detection and treatment (24 papers) and HIV/AIDS drug development and treatment (17 papers). Umesh Lalloo collaborates with scholars based in South Africa, United States and United Kingdom. Umesh Lalloo's co-authors include Neel R. Gandhi, Anthony P. Moll, Gerald Friedland, Jason R. Andrews, Robert Pawinski, A. Willem Sturm, Thiloshini Govender, Kian Fan Chung, Freddy Sitas and Alan J. Flisher and has published in prestigious journals such as New England Journal of Medicine, Proceedings of the National Academy of Sciences and The Lancet.

In The Last Decade

Umesh Lalloo

104 papers receiving 5.4k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Extensively drug-resistant tuberculosis as a cause of death in patients co-infected with tuberculosis and HIV in a rural area of South Africa

2006 1.2k citations Neel R. Gandhi, Anthony P. Moll et al. profile →
The burden of non-communicable diseases in South Africa

2009 731 citations Umesh Lalloo et al. profile →
Class-Sparing Regimens for Initial Treatment of HIV-1 Infection

2008 500 citations Umesh Lalloo, Susan Swindells et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Umesh Lalloo South Africa	33	2.7k	2.1k	1.3k	1.1k	832	105	5.7k
Janet Darbyshire United Kingdom	35	1.5k 0.5×	987 0.5×	866 0.6×	338 0.3×	700 0.8×	89	4.8k
Mar Pujades‐Rodríguez United Kingdom	37	1.4k 0.5×	1.2k 0.6×	488 0.4×	350 0.3×	552 0.7×	93	5.5k
Janet Raboud Canada	45	3.2k 1.2×	2.7k 1.3×	571 0.4×	437 0.4×	708 0.9×	238	7.1k
Kristina Crothers United States	50	3.5k 1.3×	4.7k 2.2×	2.1k 1.6×	785 0.7×	646 0.8×	216	9.8k
Joel Singer Canada	42	939 0.3×	2.7k 1.3×	763 0.6×	311 0.3×	1.5k 1.8×	188	7.9k
André van der Ven Netherlands	47	2.6k 1.0×	2.2k 1.0×	455 0.3×	343 0.3×	748 0.9×	249	8.3k
Adeel A. Butt United States	50	3.3k 1.2×	3.9k 1.9×	558 0.4×	439 0.4×	669 0.8×	226	8.5k
Soumya Swaminathan India	44	5.3k 1.9×	3.6k 1.7×	355 0.3×	278 0.3×	1.7k 2.1×	276	7.7k
Elizabeth Molyneux Malawi	47	1.2k 0.5×	1.7k 0.8×	777 0.6×	257 0.2×	395 0.5×	226	6.9k
Mary Jo O’Sullivan United States	41	4.4k 1.6×	2.9k 1.4×	754 0.6×	606 0.5×	623 0.7×	102	9.4k

Countries citing papers authored by Umesh Lalloo

Since Specialization

Citations

This map shows the geographic impact of Umesh Lalloo's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Umesh Lalloo with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Umesh Lalloo more than expected).

Fields of papers citing papers by Umesh Lalloo

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Umesh Lalloo. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Umesh Lalloo. The network helps show where Umesh Lalloo may publish in the future.

Co-authorship network of co-authors of Umesh Lalloo

This figure shows the co-authorship network connecting the top 25 collaborators of Umesh Lalloo. A scholar is included among the top collaborators of Umesh Lalloo based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Umesh Lalloo. Umesh Lalloo is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Bennett, Chijioke, Zaheer Hoosain, Anthonet Koen, et al.. (2024). Immunogenicity and safety of SARS-CoV-2 recombinant spike protein vaccine in South African people living with and without HIV-1 infection: A phase 2 randomised trial. Journal of Infection. 89(6). 106285–106285. 2 indexed citations

Torres, Thiago S., Linda J Harrison, Sandra Wagner Cardoso, et al.. (2018). Quality of life improvement in resource-limited settings after one year of second-line antiretroviral therapy use among adult men and women. AIDS. 32(5). 583–593. 11 indexed citations

Koegelenberg, Coenraad F.N., G. Ainslie, Keertan Dheda, et al.. (2016). Recommendations for the management of idiopathic pulmonary fibrosis in South Africa: a position statement of the South African Thoracic Society. Journal of Thoracic Disease. 8(12). 3711–3719. 4 indexed citations

Lalloo, Umesh, Raziya Bobat, Sandy Pillay, & Douglas Wassenaar. (2014). A Strategy for Developing Future Academic Leaders for South Africa in a Resource-Constrained Environment. Academic Medicine. 89(Supplement). S55–S59. 10 indexed citations

Zyl-Smit, Richard N. van, Brian Allwood, Gregory Symons, et al.. (2013). South African tobacco smoking cessation clinical practice guideline. South African Medical Journal. 103(11). 869–869. 31 indexed citations

Lalloo, Umesh, G. Ainslie, A A Awotedu, et al.. (2013). Guideline for the management of acute asthma in adults: 2013 update - Part 2: March 2013. 103(3). 189–200.

Naidoo, Saloshni, et al.. (2013). Tuberculosis in medical doctors – a study of personal experiences and attitudes. South African Medical Journal. 103(3). 176–176. 25 indexed citations

Ainslie, G., Charles Feldman, Leon Geffen, et al.. (2011). Guideline for the management of chronic obstructive pulmonary disease--2011 update.. PubMed. 101(1 Pt 2). 63–73. 28 indexed citations

Cornman, Deborah H., Sarah Christie, Susan MacDonald, et al.. (2011). Counsellor-delivered HIV risk reduction intervention addresses safer sex barriers of people living with HIV in KwaZulu-Natal, South Africa. Psychology and Health. 26(12). 1623–1641. 21 indexed citations

10.

Heysell, Scott K., Tania A. Thomas, Neel R. Gandhi, et al.. (2010). Blood cultures for the diagnosis of multidrug-resistant and extensively drug-resistant tuberculosis among HIV-infected patients from rural South Africa: a cross-sectional study. BMC Infectious Diseases. 10(1). 344–344. 21 indexed citations

11.

Lalloo, Umesh, et al.. (2009). Not all COPD is caused by cigarette smoking. CME/Continuing medical education. 27(4). 170–173. 3 indexed citations

12.

Gandhi, Neel R., Neha Shah, Jason R. Andrews, et al.. (2009). HIV Coinfection in Multidrug- and Extensively Drug-Resistant Tuberculosis Results in High Early Mortality. American Journal of Respiratory and Critical Care Medicine. 181(1). 80–86. 245 indexed citations

13.

Green, Robin J., Charles Feldman, Barry D. Schoub, et al.. (2008). Influenza guideline for South Africa--update 2008.. PubMed. 98(3 Pt 2). 224–30. 6 indexed citations

14.

Gandhi, Neel R., Anthony P. Moll, Umesh Lalloo, et al.. (2008). Successful Integration of Tuberculosis and HIV Treatment in Rural South Africa: The Sizonq'oba Study. JAIDS Journal of Acquired Immune Deficiency Syndromes. 50(1). 37–43. 78 indexed citations

15.

Madariaga, Miguel G., Umesh Lalloo, & Susan Swindells. (2008). Extensively Drug-resistant Tuberculosis. The American Journal of Medicine. 121(10). 835–844. 18 indexed citations

16.

Naidoo, Rajen N., Thomas G. Robins, Noah Seixas, Umesh Lalloo, & Margaret R. Becklake. (2006). Respirable Coal Dust Exposure and Respiratory Symptoms in South-African Coal Miners: A Comparison of Current and Ex-Miners. Journal of Occupational and Environmental Medicine. 48(6). 581–590. 14 indexed citations

17.

Friedland, Gerald, Salim S. Abdool Karim, Quarraisha Abdool Karim, et al.. (2004). Utility of Tuberculosis Directly Observed Therapy Programs as Sites for Access to and Provision of Antiretroviral Therapy in Resource-Limited Countries. Clinical Infectious Diseases. 38(Supplement_5). S421–S428. 26 indexed citations

18.

Hnizdo, Eva, Tonya M. Esterhuizen, David Rees, & Umesh Lalloo. (2001). Occupational asthma as identified by the Surveillance of Work‐related and Occupational Respiratory Diseases programme in South Africa. Clinical & Experimental Allergy. 31(1). 32–39. 47 indexed citations

19.

Fox, Alyson J., Umesh Lalloo, Maria G. Belvisi, et al.. (1996). Bradykinin–evoked sensitization of airway sensory nerves: A mechanism for ACE–inhibitor cough. Nature Medicine. 2(7). 814–817. 210 indexed citations

20.

White, N W, et al.. (1994). Review and Analysis of Variation Between Spirometric Values Reported in 29 Studies of Healthy African Adults. American Journal of Respiratory and Critical Care Medicine. 150(2). 348–355. 34 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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