Pearl Kendrick | |
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| Born | Pearl Louella Kendrick August 24, 1890 |
| Died | October 8, 1980(1980-10-08) (aged 90) |
| Alma mater | Syracuse University Johns Hopkins University |
| Scientific career | |
| Fields | Bacteriology,Public Health |
Pearl Louella Kendrick (August 24, 1890 – October 8, 1980) was an Americanbacteriologist known for co-developing the first successfulwhooping coughvaccine alongside fellow Michigan Department of Public Health scientistGrace Eldering and chemistLoney Gordon in the 1930s.[1] In the decades after the initial pertussis vaccine rollout, Kendrick contributed to the promotion of international vaccine standards in Latin America and the Soviet Union.[2] Kendrick and her colleagues also developed a 3-in-1 shot for diphtheria, pertussis, and tetanus (also called theDTP vaccine), which was initially released in 1948.[3]
Pearl Louella Kendrick was born on August 24, 1890, inWheaton, Illinois to Ella and Milton Kendrick. Kendrick would then suffer from whooping cough at the age of three.[4] She graduated high school in 1908 and attendedGreenville College for a year before transferring toSyracuse University. In 1914, she received her B.S. in Zoology from Syracuse.[5][1] Kendrick worked as a teacher in upstate New York, but continued her scientific education by studying bacteriology withHans Zinsser at Columbia University in 1917.[1][6] Kendrick graduated fromJohns Hopkins University in 1932[5] while simultaneously working at the Michigan Department of Public Health as an associate director and chief.[7]
Kendrick moved toGrand Rapids, Michigan and became focused on researchingwhooping cough, a contagious disease caused by the bacteriumBordetella pertussis that was responsible for killing an estimated 6000 people annually in the U.S., almost entirely children. Kendrick worked at the Western Michigan Branch Laboratory of theMichigan Department of Health. It was there that she metGrace Eldering, a fellow scientist at the Department who also had an interest in developing a pertussis vaccine.[8][1] Loney Clinton (later Loney Gordon) to focus on laboratory culture of the causal agent, the bacteriumBordetella pertussis.[5]
Kendrick and Eldering headed the vaccine project through program development, testing, and the eventual inoculation of children with the pertussis vaccine.[6][9] The pair conducted door-to-door field research where they took samples from sick children in the Grand Rapids area.[1] These samples were used to develop the whooping cough vaccine. It was given to a treatment group in an experiment known as the Grand Rapids Trials, and data of the results was analyzed for three years.[10][1] In the midst of their research,World War II was also in full effect. This led to many scientific studies facing cessation due to being underfunded. First LadyEleanor Roosevelt took interest in Kendrick and Eldering, and obtained funds from theWorks Progress Administration to support their vaccine development.[11][1] the data collected from the trials for nearly three years, it was found that the vaccine was a success.[11] Michigan started distributing the vaccines in 1940 and deaths from whooping cough declined.[8][12] Their work contributed significantly[13] to the development of cough plate diagnostics.[14] The collaborative nature of their work within the bacteriological research community and their partnerships with the Grand Rapids public health community are recognized as an important contribution to vaccine research and public health.[15]
In the following years, Kendrick, Eldering, and Gordon developed a vaccine for diphtheria, pertussis, and tetanus (DPT vaccine).[16][1] DPT vaccines were the prevailing defense against the three diseases until concerns arose about the safety and efficacy of this vaccine type in the 1980s and 1990s. The DPT vaccine laid the groundwork for new vaccine developments. Subsequently, a molecularly different variation of the DPT vaccine called the DTaP was created and became the principal vaccine for diphtheria, pertussis, and tetanus in the U.S. and abroad.[3]
In 1951, Kendrick retired from the Michigan Department of Public Health. After retiring, she became a faculty member at theUniversity of Michigan's Department ofEpidemiology. She retired from the university in 1960. Kendrick served as president of the MichiganAmerican Society for Microbiology.
Kendrick and Grace Eldering shared a house in Grand Rapids and attendedFountain Street Church. She died on October 8, 1980, in Grand Rapids.[8]
Kendrick was inducted into theMichigan Women's Hall of Fame Historical Honors Division in 1983.[2][17]
Kendrick, alongside Eldering and Gordon, are honored with a statue titledAdulation: The Future of Science at theMichigan State University Research Center inGrand Rapids, Michigan. The statue, designed byJay Hall Carpenter, is part of the city's Community Legends Project, which seeks to build statues honoring prominent Grand Rapids figures.[18][19]
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