Albert I. Ko

40.7k citations

319 papers · 16.9k indexed · 11 hit papers · h-index 62

Impact in

Parasitology top 0.01%
- Leptospirosis research and findings
Infectious Diseases top 0.05%
- Viral Infections and Vectors
- SARS-CoV-2 and COVID-19 Research
- SARS-CoV-2 detection and testing

Papers in

Parasitology 163
- Leptospirosis research and findings 151
Infectious Diseases 121
- Viral Infections and Vectors 66
- SARS-CoV-2 and COVID-19 Research 24

Co-authors: Mitermayer Galvão dos Reis Federico Costa Mathieu Picardeau Lee W. Riley Cyrille Goarant José E. Hagan Guilherme S. Ribeiro Alan J. A. McBride
Journals: PLoS neglected tropical diseases (31 papers)American Journal of Tropical Medicine and Hygiene (17 papers)PLoS ONE (11 papers)Emerging infectious diseases (10 papers)The Journal of Infectious Diseases (8 papers)
Partner nations: United States Brazil United Kingdom

In The Last Decade

Albert I. Ko

301 papers receiving 16.4k citations

Hit Papers

11 papers align trajectories log scale

Effectiveness of the CoronaVac vaccine in older adults during a gamma variant associated epidemic of covid-19 in Brazil: test negative case-control study 2021 · 195 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2021 BMJ
2020 Nature Biotechnology
2020 Journal of Urban Health
2019 New England Journal of Medicine
2017 Nature Reviews Microbiology
2016 JAMA Ophthalmology
2016 Antiviral Research
2015 PLoS neglected tropical diseases
2015 PLoS neglected tropical diseases
2009 Nature Reviews Microbiology
1999 The Lancet

Peers

Countries citing papers authored by Albert I. Ko

Since Specialization

Citations

This map shows the geographic impact of Albert I. Ko'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 Albert I. Ko with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Albert I. Ko more than expected).

Fields of papers citing papers by Albert I. Ko

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Albert I. Ko. 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 Albert I. Ko. The network helps show where Albert I. Ko may publish in the future.

Co-authorship network

The 25 scholars most cited alongside Albert I. Ko, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Albert I. Ko Line = papers co-authored together Albert I. Ko links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Severity-dependent test-seeking behaviors and test-negative designs: impact on estimated vaccine effectiveness and utility of analytic and design choices American Journal of Epidemiology ·Avnika B. Amin, Matt D. T. Hitchings, Otávio T. Ranzani, Jason R. Andrews, Derek A. T. Cummings, Albert I. Ko, Júlio Croda, Natalie E. Dean	2024	0
2	Molecular Characterization of Leptospira Species Detected in the Kidneys of Slaughtered Livestock in Abattoirs in Gauteng Province, South Africa Pathogens ·Banenat B. Dogonyaro, Henriëtte van Heerden, Filipa A. Salazar, Folorunso O. Fasina, Arnau Casanovas‐Massana, Mona Alkasaby, Jonathan E. Ceseña Barrientos, Charles Byaruhanga, Albert I. Ko, Elsio A. Wunder, Abiodun A. Adesiyun	2023	1
3	Potentiating the Cross-Reactive IFN-γ T Cell and Polyfunctional T Cell Responses by Heterologous GX-19N DNA Booster in Mice Primed with Either a COVID-19 mRNA Vaccine or Inactivated Vaccine International Journal of Molecular Sciences ·Yong Bok Seo, Albert I. Ko, Duckhyang Shin, Junyoung Kim, You Suk Suh, Т А Куприянова, Klaus Morgenthal, Su‐Yeon Lee, Joris Gillis, Young Chul Sung	2023	1
4	Delay in the diagnosis and treatment of tuberculosis in prisons in Mato Grosso do Sul, Brazil Revista da Sociedade Brasileira de Medicina Tropical ·Tejasree Vengala, Madeline Baird, S. A. U. K. Suraweera, Roberto Dias de Oliveira, Everton Ferreira Lemos, Mahmoud Alaaeldin Khattab, R. Alves-Junior Eduardo, Crhistinne Cavalheiro Maymone Gonçalves, Jason R. Andrews, Albert I. Ko, Júlio Croda	2023	0
5	Testing Frequency Matters: An Evaluation of the Diagnostic Performance of a Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Rapid Antigen Test in US Correctional Facilities Clinical Infectious Diseases ·Margaret L. Lind, Dale O. Condit, Alexander J. Robertson, Tepo Felin, Derek A. T. Cummings, Albert I. Ko, Byron S. Kennedy, G. Jegou	2022	4
6	Reliable estimation of SARS-CoV-2 anti-spike protein IgG titers from single dilution optical density values in serologic surveys Diagnostic Microbiology and Infectious Disease ·Ruipeng Guo, Nívison Nery, Juan P. Aguilar Ticona, Moyra Machado Portilho, Yongxi Wang, Guilherme S. Ribeiro, Mitermayer Galvão dos Reis, Federico Costa, Derek A. T. Cummings, Albert I. Ko, Mariam O. Fofana	2022	0
7	Association between primary or booster COVID-19 mRNA vaccination and Omicron lineage BA.1 SARS-CoV-2 infection in people with a prior SARS-CoV-2 infection: A test-negative case–control analysis PLoS Medicine ·Margaret L. Lind, Alexander J. Robertson, Julio Silva, Frederick Warner, Andreas Coppi, Nathan D. Price, Marly Rubia dos Santos Farias, Berta Moyano, Dimple Shah, Ryan Borg, Mariam O. Fofana, Otávio T. Ranzani, Natalie E. Dean, Jason R. Andrews, Júlio Croda, Akiko Iwasaki, Derek A. T. Cummings, Albert I. Ko, Matt D. T. Hitchings, Wade L. Schulz	2022	11
8	Effectiveness of an inactivated Covid-19 vaccine with homologous and heterologous boosters against Omicron in Brazil Nature Communications ·Otávio T. Ranzani, Matt D. T. Hitchings, Rosana Leite de Melo, Giovanny Vinícius Araújo de França, Mavel Besmonte, Margaret L. Lind, Mario Torres, Otanwa Oladunni Omolabake, Sergi Saureu Artesona, J.P. Nixon, María Almirón, Roberto Dias de Oliveira, Derek A. T. Cummings, Natalie E. Dean, Jason R. Andrews, Albert I. Ko, Júlio Croda	2022	67
9	A multicenter evaluation of computable phenotyping approaches for SARS-CoV-2 infection and COVID-19 hospitalizations npj Digital Medicine ·Rohan Khera, Bobak J. Mortazavi, Veer Sangha, Frederick Warner, H. P. Young, Joseph S. Ross, Nilay D. Shah, Elitza S. Theel, Kwangkyun Kim, Geoffrey S. Browne, Karen Wang, David R. Peaper, Richard A. Martinello, Cynthia Brandt, Zhenqiu Lin, Albert I. Ko, Harlan M. Krumholz, Benjamin D. Pollock, Wade L. Schulz	2022	8
10	Linking rattiness, geography and environmental degradation to spillover Leptospira infections in marginalised urban settings: An eco-epidemiological community-based cohort study in Brazil eLife ·Max T. Eyre, S. Basak, Ticiana S. A. Carvalho‐Pereira, Nívison Nery, Daiana de Oliveira, Jaqueline S. Cruz, Gielson Almeida do Sacramento, Hussein Khalil, Elsio A. Wunder, Kathryn P. Hacker, José E. Hagan, James E. Childs, Mitermayer Galvão dos Reis, Michael Begon, Peter J. Diggle, Albert I. Ko, Emanuele Giorgi, Federico Costa	2022	4
11	Willingness to Get the COVID-19 Vaccine among Residents of Slum Settlements Vaccines ·Juan P. Aguilar Ticona, Nívison Nery, Juni Sinarinta Purba, Mariam O. Fofana, Guilherme S. Ribeiro, Emanuele Giorgi, Mitermayer Galvão dos Reis, Albert I. Ko, Federico Costa	2021	26
12	SARS-CoV-2 Infection Hospitalization Rate and Infection Fatality Rate Among the Non-Congregate Population in Connecticut The American Journal of Medicine ·Shiwani Mahajan, César Caraballo, Shu-Xia Li, Mufid Hilmy Tsany, Y S Cho, Xin Gong, Zafar Said, Carrie A. Redlich, Albert I. Ko, Jeremy Samuel Faust, Howard P. Forman, Harlan M. Krumholz	2021	34
13	Poverty, sanitation, and Leptospira transmission pathways in residents from four Brazilian slums PLoS neglected tropical diseases ·Hussein Khalil, Олександр Васильович Мироненко, Daiana de Oliveira, Md Shawkat Hossain Patwary, Aman Siroya, Max T. Eyre, Ticiana S. A. Carvalho‐Pereira, Mitermayer Galvão dos Reis, Albert I. Ko, Peter J. Diggle, Andres Illanes-Frontaura, Michael Begon, Federico Costa	2021	35
14	A multivariate geostatistical framework for combining multiple indices of abundance for disease vectors and reservoirs: a case study of rattiness in a low-income urban Brazilian community Journal of The Royal Society Interface ·Max T. Eyre, Ticiana S. A. Carvalho‐Pereira, S. Basak, Hussein Khalil, Kathryn P. Hacker, Soledad Serrano, Joshua P. Taylor, Mitermayer Galvão dos Reis, Albert I. Ko, Michael Begon, Peter J. Diggle, Federico Costa, Emanuele Giorgi	2020	7
15	Long-term follow-up of branch-duct intraductal papillary mucinous neoplasms with No change in first 5 Years of diagnosis Pancreatology ·Сагандыков Ирлан Нигметжанович, Yuda Setiabudi, Maulida Dewi Kuninggar, Karen Chang, San Saguy, Mopelola Adeyemo, P. Sumalatha, Janis F. Yao, Karl Kwok, Andrew Giap, Gordon C. Hunt, Shozi Sakurai, Micheal Kato, Rajeev Attam, Albert I. Ko, Jose R. Pio, Cristen Dalessandro, Brian S. Lim	2020	22
16	Evaluating strategies for control of tuberculosis in prisons and prevention of spillover into communities: An observational and modeling study from Brazil PLoS Medicine ·Tarub S. Mabud, Raza SA, Albert I. Ko, Sanjay Basu, Katharine S. Walter, Ted Cohen, Barun Mathema, Caroline Colijn, Everton Ferreira Lemos, Júlio Croda, Jason R. Andrews	2019	55
17	Cathelicidin Insufficiency in Patients with Fatal Leptospirosis PLoS Pathogens ·Janet C. Lindow, Elsio A. Wunder, Stephen J. Popper, R. P. Perkins, Praveen Mannam, Anup Srivastava, Yi Yao, Kathryn P. Hacker, Khadir Raddassi, Patty J. Lee, Ruth R. Montgomery, Albert C. Shaw, José E. Hagan, Lauren Gosse, Nívison Nery, David A. Relman, Charles C. Kim, Mitermayer Galvão dos Reis, Albert I. Ko	2016	25
18	ISOLATION AND MOLECULAR CHARACTERIZATION OF Leptospira borgpetersenii SEROVAR BALLUM Tropical and Subtropical Agroecosystems ·邓培希, Albert I. Ko, Niyaz Ahmed, Colin Catten	2013	1
19	Eschar-associated Spotted Fever Rickettsiosis, Bahia, Brazil Emerging infectious diseases ·N.E. Rassykhin, Marina E. Eremeeva, Tatiana Rozental, Guilherme S. Ribeiro, Christopher D. Paddock, Eduardo Antônio Gonçalves Ramos, Alexsandra Rodrigues de Mendonça Favacho, Mitermayer Galvão dos Reis, Gregory A. Dasch, Elba Regina Sampaio de Lemos, Albert I. Ko	2011	109
20	Monoclonal Antibodies Against LipL32, The Major Outer Membrane Protein of Pathogenic Leptospira : Production, Characterization, and Testing in Diagnostic Applications Hybridoma ·Ayesha Farooqi, Fabiana K. Seixas, Mariana Loner Coutinho, Laercio M de Stefano, Núbia Seyffert, Júlio Croda, Alan J. A. McBride, Albert I. Ko, Odir Antônio Dellagostin, José Antônio Guimarães Aleixo	2007	24

About Albert I. Ko

Albert I. Ko is a scholar working on Parasitology, Infectious Diseases, Small Animals, Microbiology and Modeling and Simulation, having authored 319 papers that have together received 16.9k indexed citations. Recurring topics across this work include Leptospirosis research and findings (151 papers), Viral Infections and Vectors (66 papers), Mosquito-borne diseases and control (30 papers), SARS-CoV-2 and COVID-19 Research (24 papers), Veterinary medicine and infectious diseases (23 papers), Zoonotic diseases and public health (21 papers), Bacterial Infections and Vaccines (17 papers) and Pneumonia and Respiratory Infections (16 papers). The work is most often cited by research in Parasitology (8.6k citations), Infectious Diseases (7.4k citations), Small Animals (1.9k citations), Modeling and Simulation (733 citations) and Public Health, Environmental and Occupational Health (4.0k citations). Albert I. Ko has collaborated with scholars based in United States, Brazil and United Kingdom. Frequent co-authors include Mitermayer Galvão dos Reis, Federico Costa, Mathieu Picardeau, Lee W. Riley, Cyrille Goarant, José E. Hagan, Guilherme S. Ribeiro, Alan J. A. McBride, Martha Sílvia Martinez-Silveira and Júlio Croda. Their work appears in journals such as PLoS neglected tropical diseases, American Journal of Tropical Medicine and Hygiene, PLoS ONE, Emerging infectious diseases and The Journal of Infectious Diseases.

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