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Maurice Hilleman

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Maurice Hilleman
(August 30, 1919 - April 11, 2005)
Born in the United States
Year of Discovery: 1958

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Made Lifesaving Measles Vaccine Feasible for the Masses

Hilleman stumbled upon the works of Charles Darwin in the eighth grade and his future course was set - he went on to study science, eventually earning his doctoral degree in microbiology from the University of Chicago. Hilleman was an amazingly effective virologist, and is credited with inventing over 40 vaccines, including those for mumps, chickenpox, hepatitis A and B, meningitis, as well as measles.

The high plains of Montana appear to have provided the perfect setting for a budding young scientist. Hilleman, who lost both his mother and his twin sister at birth, was raised by relatives on a farm not far from the spot Custer made his famous last stand. Among his other chores, Hilleman cared for, and was fascinated by, the chickens. This was the perfect introduction for his later work in virology, where he would use eggs as hosts to grow and test his viruses.

One of his most significant contributions came while he directed the vaccine development division of Merck & Co. Building on the groundbreaking work of John Enders, Hilleman set out to make Ender's measles vaccine suitable for mass distribution. Ender's vaccine had proven to be too potent, often causing serious rashes and fevers in inoculated children. Hilleman faced an additional obstacle: the chicken embryos in which the measles virus was cultured were themselves infected with a potentially dangerous virus. He located a farm in northern California (Kimber Farms) that was raising virus-free chickens, and he soon struck a deal with the fellow-Montanan who ran the operation. "Montana blood runs very thick," Hilleman reflected, "and chicken blood runs even thicker with me." With healthy chickens, Hilleman patiently weakened the measles virus, step by step, until he reached the perfect level of active virus: just strong enough to trigger a response and produce antibodies, but without causing serious side effects. Then, with this accomplished, he could produce a new vaccine with more benefits and fewer drawbacks.

Measles is caused by a virus and is one of the most contagious diseases known. The virus normally grows in the cells lining the back of the throat and those lining the lungs. The first sign of infection is a high fever lasting one to seven days. During this initial stage the patient may develop multiple symptoms, including a runny nose, cough, red and watery eyes, and small white spots inside the cheeks. A rash develops after several days, typically beginning on the face and upper neck, and then spreading to the hands and feet. Poorly nourished children are at an increased risk of contracting a severe case of measles, especially those who have a vitamin A deficiency or whose immune system is compromised. Childhood deaths are usually caused by the complications associated with measles, rather than by the disease itself. The most serious complications include blindness, an infection of the brain and spinal cord (encephalitis), severe diarrhea, ear infections and severe respiratory infections--such as pneumonia, which is the most common cause of death associated with measles. Though over 30 million cases of measles occur worldwide annually, due to widespread use of Hilleman's vaccine, fewer than 100 cases occur in the United States.  Despite the availability of a safe and effective vaccine for the past several decades, measles continues to be a leading cause of death among children in the developing world. It's estimated that 242,000 people, many of them children, died from measles in 2006. But, vaccination has played a major role, with an estimated 478 million children having received the measles vaccine between 2000 and 2006. As a result, there has been a significant reduction in estimated global measles deaths. Overall, global measles mortality decreased by 68% between 2000 and 2006, with the largest decreases occurring in Africa, where measles cases and deaths fell by 91%.

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Introduction by Tim Anderson

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Table of Contents

Introduction
Links to More Information About the Scientist
Key Insight
Key Experiment or Research
Key Contributors
Quotes by the Scientist
Quotes About the Scientist
Anecdotes
Fun Trivia About The Science
The Science Behind the Discovery
Personal Information
Science Discovery Timeline
Recommended Books About the Science
Books by the Scientist
Books About the Scientist
Awards
Major Academic Papers
Curriculum Vitae
Links to Science and Related Information on the Subject
Sources

 








Links to More About the Scientist & the Science

New Jersey Association for Biomedical Research article on Hilleman's research:
http://www.njabr.org/njsor/science_superstars/maurice_hilleman/

U.S. Army history of various diseases, discussing Hilleman's contributions:
http://history.amedd.army.mil/booksdocs/historiesofcomsn/section1.htm

The Independent obituary:
http://www.independent.co.uk/news/obituaries/maurice-hilleman-495424.html



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Key Insight




Key Experiments or Research

 



Key Contributors

The Team
Explore other scientists who furthered this lifesaving advance.
Lifesavers: Measles Vaccine
John Enders
Revolutionized virology - did pivotal early polio vaccine work and developed the measles vaccine.
Thomas Peebles
Worked on isolating the measles virus.
Kevin McCarthy
Worked on inoculating monkeys with a passaged virus.
Milan Milovanovic
Worked on passaging the measles virus through human cells.
Anna Mitus
Worked on passaging the measles virus through human cells.
Ann Holloway
Was Enders' "most able technician and associate" in the search for a measles vaccine.
Samuel Katz
Worked transferring measles virus from hen's eggs into chick embryo cell cultures, & vaccine tests w/monkeys, children.




Quotes by the Scientist




Quotes About the Scientist




Anecdotes




Fun Trivia About the Science




The Science Behind the Discovery



Personal Information



Scientific Discovery Timeline




Recommended Books About the Science




Books by the Scientist




Books About the Scientist

Offit, Paul A. Vaccinated: One Man's Quest to Defeat the World's Deadliest Diseases. Harper Paperbacks, 2008.



Awards




Major Academic Papers Written by the Scientist



Curriculum Vitae



Links to Information on the Science





Sources/References