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Carlos Finlay

Carlos Finlay
Carlos Finlay
Born (1833-12-03)December 3, 1833
Puerto Príncipe (Camagüey), Cuba
Died August 20, 1915(1915-08-20) (aged 81)
Havana, Cuba  Cuba
Nationality Cuban
Alma mater Jefferson Medical College
Known for Mosquito and yellow fever research

Carlos Juan Finlay (December 3, 1833 – August 20, 1915) was a Spanish-Cuban epidemiologist recognized as a pioneer in the research of yellow fever, determining that it was transmitted through mosquitoes.[1]


  • Biography 1
    • Early life and education 1.1
    • Professional career 1.2
    • Honours 1.3
  • Death 2
  • See also 3
  • Footnotes 4
  • References 5


Early life and education

Finlay was born Juan Carlos Finlay y Barres, in Puerto Príncipe (now Camagüey), Cuba. At that time Cuba was part of the Kingdom of Spain. He reversed the order of his given names to "Carlos Juan" later in his life.

He was of French (from his mother) and Scottish (from his father) descent. His father was a physician who had fought alongside Simon Bolivar, and his family owned a coffee plantation in Alquizar. He attended school in France in 1844, but was forced to return to Cuba after two years because he contracted cholera. After recovering, he returned to Europe in 1848, but became stuck in England for another two years due to political turmoil, and after arriving at France to continue his education he contracted typhoid fever and again returned to Cuba.[1]

Because the University of Havana would not recognize his European academic credits, he enrolled at Jefferson Medical College in Philadelphia, Pennsylvania, which did not require prerequisites. Here Finlay met John Kearsley Mitchell, a proponent of the germ theory of disease, and his son Silas Weir Mitchell, who supervised his studies. He graduated from Jefferson Medical College in 1855.[1]

He then returned to

  • Del Regato, J A (2001). "Carlos Juan Finlay (1833-1915)".  
  • Tan, S Y; Sung H (May 2008). "Carlos Juan Finlay (1833-1915): of mosquitoes and yellow fever". Singapore medical journal 49 (5): 370–1.  bkfa
  • Amster, L J (May 1987). "Carlos J. Finlay: the mosquito man". Hosp. Pract. (Off. Ed.) 22 (5): 223–5, 229–30, 233 passim.  
  • Del Regato, J A (1987). "Carlos Finlay and the Nobel Prize in Physiology or Medicine". The Pharos of Alpha Omega Alpha-Honor Medical Society. Alpha Omega Alpha 50 (2): 5–9.  
  • , (Dec 1966). "Carlos J. Finlay (1833-1915) student of yellow fever".  
  • Rodriguez Cabarrocas, R (Aug 1960). "Carlos J. FINLAY and yellow fever". The Bulletin of the Tulane Medical Faculty 19: 219–28.  
  • Mellander, Gustavo A. (1971) The United States in Panamanian Politics: The Intriguing Formative Years. Danville, Ill.: Interstate Publishers. OCLC 138568.
  • Mellander, Gustavo A.; Nelly Maldonado Mellander (1999). Charles Edward Magoon: The Panama Years. Río Piedras, Puerto Rico: Editorial Plaza Mayor. ISBN 1-56328-155-4. OCLC 42970390.
  • Pierce J.R., J, Writer. 2005. Yellow Jack: How Yellow Fever Ravaged America and Walter Reed Discovered its Deadly Secrets. John Wiley and Sons. ISBN 0-471-47261-1
  • Crosby, M.C. 2006. The American Plague: The Untold Story of Yellow Fever, The Epidemic That Shaped Our History. Berkley Books. ISBN 0-425-21202-5
  • Jefferson Medical College hosted an international symposium celebrating accomplishments of Dr. Carlos Finlay Yellow Fever, A Symposium in Commemoration of Carlos Juan Finlay, 1955.


  1. ^ a b c d e "Carlos Juan Finlay". Biography in Context: World of Health. Gale. 2007. 
  2. ^ Carlos Juan Finlay (presented: August 14, 1881 ; published: 1882) "El mosquito hipoteticamente considerado como agente de trasmision de la fiebre amarilla" (The mosquito hypothetically considered as an agent in the transmission of yellow fever) Anales de la Real Academia de Ciencias Médicas, Físicas y Naturales de la Habana, 18 : 147-169. Available on-line in English at:
    • Charles Finlay, with Rudolph Matas, translator (1881) "The mosquito hypothetically considered as an agent in the transmission of yellow fever poison," New Orleans Medical and Surgical Journal, 9 : 601-616.
    • Delta
  3. ^ Pierce J.R., J, Writer. 2005. Yellow Jack: How Yellow Fever Ravaged America and Walter Reed Discovered its Deadly Secrets. John Wiley and Sons. ISBN 0-471-47261-1
  4. ^ "Cuba - Mosquito". Archived from the original on 2013-12-03. 
  5. ^ Crosby, M.C. 2006. The American Plague: The Untold Story of Yellow Fever, The Epidemic That Shaped Our History. Berkley Books. ISBN 0-425-21202-5
  6. ^ "Google-Doodle". 


See also

Finlay died from a stroke at his house in Havana, Cuba.


He was honoured with a Google Doodle on 3rd December 2013 on the 180th anniversary of his birth. [6]


Finlay was a member of Havana's Royal Academy of Medical, Physical and Natural Sciences. He was fluent in French, German, Spanish, and English and could read Latin. His interests were widespread and he wrote articles on subjects as varied as leprosy, cholera, gravity, and plant diseases.His main interest, however, was yellow fever, and he was the author of 40 articles on this disease. His theory that an intermediary host was responsible for the spread of the disease was treated with ridicule for years. A humane man, he often took on patients who could not afford medical care. As a result of his work, Finlay was nominated seven times for the Nobel Prize in Physiology or Medicine, although he was never awarded the prize.[5] He received the National Order of the Legion of Honour of France in 1908.

In the municipality of Marianao, now within the city of Havana, there is a monument in the shape of a syringe, honoring Dr. Finlay and usually referred to as El Obelisco (The Obelisk). Finlay was also commemorated on a 1981 Cuban stamp.[4] A statue commemorating Dr. Finlay is located on the bayfront in Panama City, near the canal he helped make possible. The UNESCO Carlos J. Finlay Prize for Microbiology is named in his honor.

This discovery helped Panama during the American campaign, from 1903 onwards, to construct the Panama Canal. Prior to this, about 10% of the workforce had died each year from malaria and yellow fever.

In the words of General Leonard Wood, a physician and U.S. military governor of Cuba in 1900: "The confirmation of Dr. Finlay's doctrine is the greatest step forward made in medical science since Jenner's discovery of the vaccination [for smallpox]."

His hypothesis and exhaustive proofs were confirmed nearly twenty years later by the Walter Reed Commission of 1900. Finlay went on to become the chief health officer of Cuba from 1902 to 1909. Although Dr. Reed received much of the credit in history books for "beating" yellow fever, Reed himself credited Dr. Finlay with the discovery of the yellow fever vector, and thus how it might be controlled. Dr. Reed often cited Finlay's papers in his own articles and gave him credit for the discovery in his personal correspondence.[3]

El Obelisco, Finlay's memorial in Havana

His theory was followed by the recommendation to control the mosquito population as a way to control the spread of the disease. [1] Finlay's work, carried out during the 1870s, finally came to prominence in 1900. He was the first to theorize, in 1881, that a mosquito was a carrier, now known as a disease

Professional career


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