D. Cal Ham

1.3k total citations · 1 hit paper
27 papers, 873 citations indexed

About

D. Cal Ham is a scholar working on Infectious Diseases, Clinical Biochemistry and Epidemiology. According to data from OpenAlex, D. Cal Ham has authored 27 papers receiving a total of 873 indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Infectious Diseases, 10 papers in Clinical Biochemistry and 9 papers in Epidemiology. Recurrent topics in D. Cal Ham's work include Bacterial Identification and Susceptibility Testing (10 papers), Antimicrobial Resistance in Staphylococcus (9 papers) and HIV, Drug Use, Sexual Risk (7 papers). D. Cal Ham is often cited by papers focused on Bacterial Identification and Susceptibility Testing (10 papers), Antimicrobial Resistance in Staphylococcus (9 papers) and HIV, Drug Use, Sexual Risk (7 papers). D. Cal Ham collaborates with scholars based in United States, Uganda and Australia. D. Cal Ham's co-authors include Isaac See, Joelle Nadle, Ghinwa Dumyati, Susan M. Ray, James Baggs, Marion Kainer, Athena P. Kourtis, Erin Epson, Yi Mu and L. Clifford McDonald and has published in prestigious journals such as Clinical Infectious Diseases, The Journal of Infectious Diseases and American Journal of Preventive Medicine.

In The Last Decade

D. Cal Ham

26 papers receiving 851 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.

Vital Signs: Epidemiology and Recent Trends in Methicillin-Resistant and in Methicillin-Susceptible Staphylococcus aureus Bloodstream Infections — United States

2019 499 citations Athena P. Kourtis, Kelly M Hatfield et al. MMWR Morbidity and Mortality Weekly Report profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
D. Cal Ham United States	11	441	196	175	154	137	27	873
Ulrich Stab Jensen Denmark	15	167 0.4×	177 0.9×	106 0.6×	156 1.0×	68 0.5×	25	702
Lina Zhong United States	16	272 0.6×	255 1.3×	46 0.3×	248 1.6×	54 0.4×	42	859
Sarah B. Doernberg United States	19	376 0.9×	119 0.6×	216 1.2×	378 2.5×	26 0.2×	77	1.1k
John R. Lonks United States	15	408 0.9×	68 0.3×	102 0.6×	694 4.5×	125 0.9×	29	1.1k
Jeong Su Park South Korea	16	213 0.5×	129 0.7×	161 0.9×	273 1.8×	47 0.3×	79	849
Ron Hendrix Netherlands	18	198 0.4×	127 0.6×	196 1.1×	275 1.8×	37 0.3×	36	857
Brian J. Werth United States	25	815 1.8×	294 1.5×	488 2.8×	320 2.1×	28 0.2×	49	1.4k
Mary Murphy United States	17	406 0.9×	75 0.4×	274 1.6×	139 0.9×	29 0.2×	68	938
William Ba‐Thein China	20	501 1.1×	295 1.5×	91 0.5×	240 1.6×	15 0.1×	40	1.2k
Jennifer Coetzee South Africa	10	164 0.4×	75 0.4×	84 0.5×	165 1.1×	72 0.5×	23	659

Countries citing papers authored by D. Cal Ham

Since Specialization

Citations

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

Fields of papers citing papers by D. Cal Ham

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by D. Cal Ham. 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 D. Cal Ham. The network helps show where D. Cal Ham may publish in the future.

Co-authorship network of co-authors of D. Cal Ham

This figure shows the co-authorship network connecting the top 25 collaborators of D. Cal Ham. A scholar is included among the top collaborators of D. Cal Ham 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 D. Cal Ham. D. Cal Ham 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

McNamara, Sara, Marty Soehnlen, Davina Campbell, et al.. (2025). Investigation and laboratory characterization of the fifteenth U.S. case of vancomycin-resistant Staphylococcus aureus – Michigan, 2021. Infection Control and Hospital Epidemiology. 46(9). 954–955. 1 indexed citations

Hennessee, Ian, Kaitlin Forsberg, Juliana Reyes‐Urueña, et al.. (2024). Candida auris in US Correctional Facilities. Emerging infectious diseases. 30(13). 1 indexed citations

MacFarquhar, Jennifer, Teresa A. Fisher, Cathy L. Barr, et al.. (2024). Identification and Characterization of Vancomycin-Resistant Staphylococcus aureus CC45/USA600, North Carolina, USA, 2021. Emerging infectious diseases. 31(1). 194–196. 1 indexed citations

Walters, Maroya Spalding, et al.. (2024). Regional impact of multidrug-resistant organism prevention bundles implemented by facility type: A modeling study. Infection Control and Hospital Epidemiology. 45(7). 856–863. 2 indexed citations

Young, Erin L., et al.. (2023). Cluster of Carbapenemase-Producing Carbapenem-Resistant Pseudomonas aeruginosa Among Patients in an Adult Intensive Care Unit — Idaho, 2021–2022. MMWR Morbidity and Mortality Weekly Report. 72(31). 844–846. 10 indexed citations

Popovich, Kyle J., Kathy Aureden, D. Cal Ham, et al.. (2023). SHEA/IDSA/APIC Practice Recommendation: Strategies to prevent methicillin-resistant Staphylococcus aureus transmission and infection in acute-care hospitals: 2022 Update. Infection Control and Hospital Epidemiology. 44(7). 1039–1067. 52 indexed citations

Ham, D. Cal, Lucy Fike, Hannah Wolford, et al.. (2022). Trimethoprim-sulfamethoxazole resistance patterns among Staphylococcus aureus in the United States, 2012–2018. Infection Control and Hospital Epidemiology. 44(5). 794–797. 7 indexed citations

McKinsey, David S., Joel P. McKinsey, Paula Snippes Vagnone, et al.. (2021). A comprehensive approach to ending an outbreak of rare bla gene-positive carbapenem-resistant Acinetobacter baumannii at a Community Hospital, Kansas City, MO, 2018. American Journal of Infection Control. 49(9). 1183–1185. 2 indexed citations

Ham, D. Cal, Isaac See, Matthew B. Crist, et al.. (2020). Investigation of hospital-onset meticillin-resistant Staphylococcus aureus bloodstream infections at eight high-burden acute care facilities in the USA, 2016. Journal of Hospital Infection. 105(3). 502–508. 5 indexed citations

10.

Card, Kiffer G., Jeffrey Morgan, Daniel Grace, et al.. (2020). Substance use patterns and awareness of biomedical HIV prevention strategies among sexual and gender minority men in Canada. AIDS Care. 32(12). 1506–1514. 10 indexed citations

11.

Kourtis, Athena P., Kelly M Hatfield, James Baggs, et al.. (2019). Vital Signs: Epidemiology and Recent Trends in Methicillin-Resistant and in Methicillin-Susceptible Staphylococcus aureus Bloodstream Infections — United States. MMWR Morbidity and Mortality Weekly Report. 68(9). 214–219. 499 indexed citations breakdown →

12.

Chae, Sae‐Rom, Anna Q. Yaffee, Mark K. Weng, et al.. (2018). Notes from the Field: Investigation of Carbapenemase-Producing Carbapenem-Resistant Enterobacteriaceae Among Patients at a Community Hospital — Kentucky, 2016. MMWR Morbidity and Mortality Weekly Report. 66(5152). 1410–1410. 4 indexed citations

13.

Ham, D. Cal, Shirley Lee Lecher, Roman Gvetadze, et al.. (2017). HIV Testing at Visits to Physicians’ Offices in the U.S., 2009–2012. American Journal of Preventive Medicine. 53(5). 634–645. 5 indexed citations

14.

Hoover, Karen W., D. Cal Ham, Philip J. Peters, Dawn K. Smith, & Kyle T. Bernstein. (2016). Human Immunodeficiency Virus Prevention With Preexposure Prophylaxis in Sexually Transmitted Disease Clinics. Sexually Transmitted Diseases. 43(5). 277–282. 11 indexed citations

15.

Ham, D. Cal, et al.. (2015). Quality of Sexually Transmitted Infection Case Management Services in Gauteng Province, South Africa. Sexually Transmitted Diseases. 43(1). 23–29. 12 indexed citations

16.

Ham, D. Cal, et al.. (2015). Strengthening Sexually Transmitted Disease Services in Detroit, Michigan. Sexually Transmitted Diseases. 43(1). 65–66. 1 indexed citations

17.

Ham, D. Cal, Carol Y. Lin, Lori M. Newman, N. Saman Wijesooriya, & Mary L. Kamb. (2015). Improving global estimates of syphilis in pregnancy by diagnostic test type: A systematic review and meta‐analysis. International Journal of Gynecology & Obstetrics. 130(S1). S10–4. 28 indexed citations

18.

Torrone, Elizabeth, Jeanne Bertolli, Jianmin Li, et al.. (2011). Increased HIV and Primary and Secondary Syphilis Diagnoses Among Young Men—United States, 2004–2008. JAIDS Journal of Acquired Immune Deficiency Syndromes. 58(3). 328–335. 31 indexed citations

19.

Ham, D. Cal, Thomas R. Przybeck, Jaime R. Strickland, et al.. (2011). Occupation and Workplace Policies Predict Smoking Behaviors. Journal of Occupational and Environmental Medicine. 53(11). 1337–1345. 96 indexed citations

20.

Ham, D. Cal, et al.. (1961). Role of the Capsule of Pasteurella Pestis in Bubonic Plague in the Guinea Pig. The Journal of Infectious Diseases. 109(2). 154–157. 21 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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