References

Auwaerter PG. 2024. Rickettsia rickettsii (Rocky Mountain Spotted Fever). Johns Hopkins ABX Guide. Baltimore (MD): The Johns Hopkins University. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540480/3.1/Rickettsia_rickettsii__Rocky_Mountain_Spotted_Fever_

Bengtson IA. 1919. The Weil-Felix reaction as a laboratory test in the diagnosis of typhus fever. Public Health Reports (1896-1970). 34(44): 2446–2450. https://doi.org/10.2307/4575368

Bengtson IA. 1922. Preliminary note on a toxin-producing anaerobe isolated from the larvæ of Lucilia caesar. Public Health Reports (1896-1970). 37(4):164. https://doi.org/10.2307/4576258

Bengtson IA. 1935. The relationship of Bacterium granulosis to trachoma. J Exp Med. 61(2):221–232. https://doi.org/10.1084/jem.61.2.221

Bengtson IA. 1945. Applications of the complement-fixation test in the study of rickettsial diseases. Am J Public Health Nations Health. 35(7):701–707. https://doi.org/10.2105/ajph.35.7.701 

Bengtson IA. 1945. The Weil-Felix reaction in the diagnosis of rickettsial diseases. Public Health Reports. 60(2):65–76.

Bengtson IA. 1947. Classification of the Rickettsiae of Rocky Mountain spotted fever and of endemic (murine) typhus. J Bacteriol. 53(3):325-7. https://doi.org/10.1128/jb.53.3.325-327.1947

Breaking Barriers in Science: Ida A. Bengston, NIH’s first woman Ph.D. 2025. Her Stem Space. https://herstemspace.org/2025/07/24/breaking-barriers-in-science-ida-a-bengston-nihs-first-woman-ph-d/

Centers for Disease Control and Prevention. 2023. Trachoma. Atlanta (GA): CDC. https://www.cdc.gov/trachoma/

douano@listlabs.com. 2018 Jul 16. List Labs. https://listlabs.com/types-of-botulinum/

Encyclopaedia Britannica. 2026. Scrub typhus. Chicago (IL): Encyclopaedia Britannica. https://www.britannica.com/science/scrub-typhus

Evans, A. C. 1953. Obituary. Journal of the Washington Academy of Sciences, 43(7), 238–240. http://www.jstor.org/stable/24533363 

Ida Bengtson image. [date unknown]. Pinterest; [accessed 2026 Apr 19]. https://pin.it/2porY4WJX

Ida Bengtson. 1925. In: Rollamo. Missouri School of Mines and Metallurgy; 1926. p. 25.

Indiana Department of Health. [date unknown]. Rocky Mountain spotted fever. Indianapolis (IN): Indiana Department of Health; [accessed 2026 Apr 4]. https://www.in.gov/health/idepd/zoonotic-and-vectorborne-epidemiology-entomology/zoonotic-diseases/rocky-mountain-spotted-fever/

Lindenmann J. 2005. Women scientists in typhus research during the first half of the twentieth century. Gesnerus. 62(3–4):257–272.

MasterClass. 2022. Marginalization explained: What is marginalization? Types, causes, and effects. https://www.masterclass.com/articles/marginalization-explained

MD VI. 2020. VAXOPEDIA. https://vaxopedia.org/2020/03/01/vaccines-and-womens-history-month/

National Library of Medicine. 2017. Rocky Mountain spotted fever. Bethesda (MD): U.S. National Library of Medicine. https://medlineplus.gov/rockymountainspottedfever.html

National Library of Medicine. 2012. Images from the History of the Public Health Service. Bethesda (MD): U.S. National Library of Medicine. https://www.nlm.nih.gov/exhibition/phs_history/contributions.html

Newby JG. 1986. The Weil-Felix test is archaic and misleading. JAMA. 255(8):1020. https://doi.org/10.1001/jama.1986.03370080042021

Office of NIH History and Stetten Museum. [date unknown]. Bengtson, Ida Albertina (1881–1952). Bethesda (MD): National Institutes of Health; [accessed 2026 Apr 4]. https://history.nih.gov/illustrated-histories/nih-biographies-plus/bengtson-ida-albertina-1881195

Office of NIH History and Stetten Museum. [date unknown]. A short story of NIH, 1887–1987. Bethesda (MD): National Institutes of Health; [accesses. 2026 Apr 4]. https://history.nih.gov/illustrated-histories/a-short-history-of-nih-1887-1987

Parascandola J. 2008. The development of American bacteriology. Bethesda (MD): National Institutes of Health. https://www.ncbi.nlm.nih.gov/books/

Rossiter MW. 1993. The Matthew Matilda effect in science. Social Studies of Science. 23(2):325-341. https://doi.org/10.1177/030631293023002004 

Science, Lady. 2018. The New Inquiry. https://thenewinquiry.com/blog/selective-blindness-ida-bengtson-and-the-treatment-of-trachoma/

Science Source. [date unknown]. Trachoma-pannus keratitis, 1916; [accessed 2026 Apr 4]. https://www.sciencesource.com/1616442-trachoma-pannus-keratitis-1916-stock-image-rights-managed.html

Selective blindness: Ida Bengtson and the treatment of trachoma. 2019 Jan 19. The New Inquiry. https://thenewinquiry.com/blog/selective-blindness-ida-bengtson-and-the-treatment-of-trachoma/

Silverman DJ, Wisseman CL Jr, Waddell AD, Jones MR. 1978. External layers of Rickettsia prowazekii and Rickettsia rickettsii: occurrence of a slime layer. Infection and Immunity. 22(1):233–246. https://doi.org/10.1128/iai.22.1.233-246.1978

Steen TY. 2020. Margaret Rossiter and the Matilda Effect. Library of Congress Blogs: Inside Adams. https://blogs.loc.gov/inside_adams/2020/03/matilda-effect/

Taylor HR, Burton MJ, Haddad D, West S, Wright H. 2014. Trachoma. Lancet. 384(9960):2142–2152. https://doi.org/10.1016/S0140-6736(13)62182-0

Typhus Commission medal attributed to Capt Raymond E Bellamy. [date unknown]. Floyd’s Medals. [accessed 2026 Apr 19]. https://floydsmedals.com/product/typhus-commission-medal-attributed-to-capt-raymond-e-bellamy/

Typhus. 2024. In: Encyclopaedia Britannica. Chicago (IL): Encyclopaedia Britannica Inc. https://www.britannica.com/science/typhus#ref895074

US Typhus Commission Medal Role. [Date Unknown]. OMSA; [Accessed 2026 April 16]. https://www.omsa.org/MedalRolls/US_Typhus.php

Wikipedia. 2025. Ida A. Bengston. https://en.wikipedia.org/wiki/Ida_A._Bengtson

Zinsser H. 1935. Rats, lice and history. Boston (MA): Little, Brown and Company.