Sonali Kochhar

65.3k total citations · 2 hit papers
82 papers, 2.3k citations indexed

About

Sonali Kochhar is a scholar working on Health, Infectious Diseases and Epidemiology. According to data from OpenAlex, Sonali Kochhar has authored 82 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 47 papers in Health, 33 papers in Infectious Diseases and 27 papers in Epidemiology. Recurrent topics in Sonali Kochhar's work include Vaccine Coverage and Hesitancy (47 papers), SARS-CoV-2 and COVID-19 Research (20 papers) and Viral Infections and Outbreaks Research (19 papers). Sonali Kochhar is often cited by papers focused on Vaccine Coverage and Hesitancy (47 papers), SARS-CoV-2 and COVID-19 Research (20 papers) and Viral Infections and Outbreaks Research (19 papers). Sonali Kochhar collaborates with scholars based in United States, United Kingdom and India. Sonali Kochhar's co-authors include Flor M. Muñoz, Clare Cutland, Tamala Mallett Moore, Azucena Bardají, Muhammad Imran Nisar, Milagritos D. Tapia, Jayani Pathirana, Bernard Gonik, Linda O. Eckert and Chandrakant Lahariya and has published in prestigious journals such as Nature, The Lancet and Nature Medicine.

In The Last Decade

Sonali Kochhar

80 papers receiving 2.2k 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.

Preterm birth: Case definition & guidelines for data collection, analysis, and presentation of immunisation safety data

2016 300 citations Flor M. Muñoz, Clare Cutland et al. Vaccine profile →
Low birth weight: Case definition & guidelines for data collection, analysis, and presentation of maternal immunization safety data

2017 275 citations Clare Cutland, Tamala Mallett Moore et al. Vaccine profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Sonali Kochhar United States	25	779	628	595	550	492	82	2.3k
Siddhivinayak Hirve Switzerland	27	653 0.8×	218 0.3×	328 0.6×	905 1.6×	349 0.7×	54	2.4k
Kartik K. Venkatesh United States	29	614 0.8×	772 1.2×	181 0.3×	885 1.6×	1.0k 2.1×	202	2.8k
Helen McDonald United Kingdom	24	266 0.3×	384 0.6×	234 0.4×	747 1.4×	240 0.5×	84	2.1k
Laura E. Riley United States	33	1.2k 1.5×	1.4k 2.2×	548 0.9×	1.6k 2.9×	556 1.1×	132	4.0k
Dan Hogan Switzerland	7	1.2k 1.6×	270 0.4×	216 0.4×	875 1.6×	256 0.5×	19	2.7k
Laura D. Zambrano United States	13	332 0.4×	744 1.2×	170 0.3×	173 0.3×	740 1.5×	20	2.1k
Giovanni Putoto Italy	27	922 1.2×	240 0.4×	115 0.2×	414 0.8×	649 1.3×	180	2.5k
Yagob Al-Mazrou Saudi Arabia	19	978 1.3×	556 0.9×	118 0.2×	445 0.8×	205 0.4×	51	2.1k
Josaphat Byamugisha Uganda	29	1.1k 1.4×	710 1.1×	91 0.2×	712 1.3×	442 0.9×	155	2.9k
Marzia Lazzerini Italy	24	543 0.7×	299 0.5×	90 0.2×	444 0.8×	413 0.8×	114	2.8k

Countries citing papers authored by Sonali Kochhar

Since Specialization

Citations

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

Fields of papers citing papers by Sonali Kochhar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sonali Kochhar. 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 Sonali Kochhar. The network helps show where Sonali Kochhar may publish in the future.

Co-authorship network of co-authors of Sonali Kochhar

This figure shows the co-authorship network connecting the top 25 collaborators of Sonali Kochhar. A scholar is included among the top collaborators of Sonali Kochhar 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 Sonali Kochhar. Sonali Kochhar 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

Kaminski, Robert W., Patricia B. Pavlinac, Elizabeth T. Rogawski McQuade, et al.. (2025). WHO Workshop Report: Regulatory Science to Inform Clinical Pathways for Shigella Vaccines Intended for Use in Children in Low- and Middle-Income Countries. Vaccines. 13(5). 439–439.

Kochhar, Sonali, David N. Assis, Cara L. Mack, et al.. (2024). Autoimmune hepatitis: Brighton Collaboration case definition and guidelines for data collection, analysis, and presentation of immunisation safety data. Vaccine. 42(7). 1812–1825. 2 indexed citations

Zehrung, Darin, Bruce L. Innis, Auliya A. Suwantika, et al.. (2024). Measles–Rubella Microarray Patches Phase III Clinical Trial Framework: Proposal and Considerations. Vaccines. 12(11). 1258–1258. 1 indexed citations

Levitan, Bennett, Stephen C. Hadler, William Hurst, et al.. (2023). The Brighton collaboration standardized module for vaccine benefit-risk assessment. Vaccine. 42(4). 972–986. 5 indexed citations

Top, Karina A., Robert T. Chen, Ofer Levy, et al.. (2022). Advancing the Science of Vaccine Safety During the Coronavirus Disease 2019 (COVID-19) Pandemic and Beyond: Launching an International Network of Special Immunization Services. Clinical Infectious Diseases. 75(Supplement_1). S11–S17. 12 indexed citations

Wolff, Jonathan, Caesar Atuire, Anant Bhan, et al.. (2021). Ethical and policy considerations for COVID-19 vaccination modalities: delayed second dose, fractional dose, mixed vaccines. BMJ Global Health. 6(5). e005912–e005912. 3 indexed citations

Duszynski, Katherine, James H. Stark, Catherine Cohet, et al.. (2021). Suitability of databases in the Asia‐Pacific for collaborative monitoring of vaccine safety. Pharmacoepidemiology and Drug Safety. 30(7). 843–857. 8 indexed citations

Kochhar, Sonali, Ève Dubé, Janice Graham, et al.. (2021). COVID-19 vaccine safety questions and answers for healthcare providers (CONSIDER). Vaccine. 39(18). 2504–2505. 1 indexed citations

Heidari, Shirin, David N Dürrheim, Ruth Faden, et al.. (2021). Time for action: towards an intersectional gender approach to COVID-19 vaccine development and deployment that leaves no one behind. BMJ Global Health. 6(8). e006854–e006854. 16 indexed citations

10.

Rouse, Caroline E., Linda O. Eckert, Flor M. Muñoz, et al.. (2019). Postpartum endometritis and infection following incomplete or complete abortion: Case definition & guidelines for data collection, analysis, and presentation of maternal immunization safety data. Vaccine. 37(52). 7585–7595. 19 indexed citations

11.

Kochhar, Sonali, Jean‐Louis Excler, Karin Bok, et al.. (2018). Defining the interval for monitoring potential adverse events following immunization (AEFIs) after receipt of live viral vectored vaccines. Vaccine. 37(38). 5796–5802. 15 indexed citations

12.

Stark, James H., Eve E Wool, Elizabeth Robinson, et al.. (2018). Assessing feasibility of resources at health facilities in Uganda to diagnose pregnancy and neonatal outcomes. International Health. 11(2). 128–135. 5 indexed citations

13.

Ross, Elizabeth, Flor M. Muñoz, Cassandra Nan, et al.. (2017). Failure to thrive: Case definition & guidelines for data collection, analysis, and presentation of maternal immunisation safety data. Vaccine. 35(48). 6483–6491. 14 indexed citations

14.

Rouse, Caroline E., Linda O. Eckert, Blair J. Wylie, et al.. (2016). Hypertensive disorders of pregnancy: Case definitions & guidelines for data collection, analysis, and presentation of immunization safety data. Vaccine. 34(49). 6069–6076. 17 indexed citations

15.

Bonhoeffer, Jan, Sonali Kochhar, Steven Hirschfeld, et al.. (2016). Global alignment of immunization safety assessment in pregnancy – The GAIA project. Vaccine. 34(49). 5993–5997. 70 indexed citations

16.

Pathirana, Jayani, Flor M. Muñoz, Victoria Abbing‐Karahagopian, et al.. (2016). Neonatal death: Case definition & guidelines for data collection, analysis, and presentation of immunization safety data. Vaccine. 34(49). 6027–6037. 69 indexed citations

17.

Harrison, Margo S., Linda O. Eckert, Clare Cutland, et al.. (2016). Pathways to preterm birth: Case definition and guidelines for data collection, analysis, and presentation of immunization safety data. Vaccine. 34(49). 6093–6101. 15 indexed citations

18.

Clarke, David K., R. Michael Hendry, Vidisha Singh, et al.. (2016). Live virus vaccines based on a vesicular stomatitis virus (VSV) backbone: Standardized template with key considerations for a risk/benefit assessment. Vaccine. 34(51). 6597–6609. 51 indexed citations

19.

Idoko, Olubukola T., Sonali Kochhar, Tsiri Agbenyega, Bernhards Ogutu, & Martin O. C. Ota. (2013). Impact, Challenges, and Future Projections of Vaccine Trials in Africa. American Journal of Tropical Medicine and Hygiene. 88(3). 414–419. 25 indexed citations

20.

Kochhar, Sonali, Barbara Rath, Lea Seeber, et al.. (2013). Introducing new vaccines in developing countries. Expert Review of Vaccines. 12(12). 1465–1478. 35 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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