Qui-Lim Choo is a

Singapore Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, borde ...

-born scientist, who along with Michael Houghton,

George Kuo George Ching-Hung Kuo is a Taiwanese-born scientist, who along with Michael Houghton, Qui-Lim Choo and Daniel W. Bradley, co-discovered and cloned the hepatitis C virus in 1989. Kuo graduated from the National Taiwan University in 1961 and comple ...

and

Daniel W. Bradley Daniel W. Bradley (born 13 July 1941) is an important American virologist who, along with Michael Houghton, Qui-Lim Choo and George Kuo at Chiron Corporation, worked to help isolate the Hepatitis C virus in 1989. He graduated from San José Stat ...

, co-discovered and cloned

Hepatitis C Hepatitis C is an infectious disease caused by the hepatitis C virus (HCV) that primarily affects the liver; it is a type of viral hepatitis. During the initial infection people often have mild or no symptoms. Occasionally a fever, dark urine, a ...

in 1989. He also co-discovered the

Hepatitis D Hepatitis D is a type of viral hepatitis caused by the hepatitis delta virus (HDV). HDV is one of five known hepatitis viruses: A, B, C, D, and E. HDV is considered to be a satellite (a type of subviral agent) because it can propagate only in ...

genome In the fields of molecular biology and genetics, a genome is all the genetic information of an organism. It consists of nucleotide sequences of DNA (or RNA in RNA viruses). The nuclear genome includes protein-coding genes and non-coding ge ...

in 1986. The discovery of Hepatitis C led to the rapid development of diagnostic reagents to detect

Hepatitis C virus The hepatitis C virus (HCV) is a small (55–65 nm in size), enveloped, positive-sense single-stranded RNA virus of the family ''Flaviviridae''. The hepatitis C virus is the cause of hepatitis C and some cancers such as liver cancer ( hepato ...

in blood supplies which has reduced the risk of acquiring hepatitis C through

blood transfusion Blood transfusion is the process of transferring blood products into a person's circulation intravenously. Transfusions are used for various medical conditions to replace lost components of the blood. Early transfusions used whole blood, but mo ...

from one in three to about one in two million. It is estimated that antibody testing has prevented at least 40,000 new infections per year in the US alone and many more worldwide.

Early life and education

Choo received his undergraduate training at

Queen Elizabeth College Queen Elizabeth College (QEC) was a college in London. It had its origins in the Ladies' (later Women's) Department of King's College, London, England, opened in 1885 but later accepted men as well. The first King's 'extension' lectures for l ...

in 1973 and completed his PhD in

biochemistry Biochemistry or biological chemistry is the study of chemical processes within and relating to living organisms. A sub-discipline of both chemistry and biology, biochemistry may be divided into three fields: structural biology, enzymology and ...

King's College London King's College London (informally King's or KCL) is a public research university located in London, England. King's was established by royal charter in 1829 under the patronage of King George IV and the Duke of Wellington. In 1836, King's ...

in 1980. He trained under William J. Rutter at the

University of California, San Francisco The University of California, San Francisco (UCSF) is a public land-grant research university in San Francisco, California. It is part of the University of California system and is dedicated entirely to health science and life science. It con ...

before joining

Chiron Corporation Chiron Corporation ( ) was an American multinational biotechnology firm founded in 1981, based in Emeryville, California, that was acquired by Novartis on April 20, 2006. It had offices and facilities in eighteen countries on five continents. ...

Awards and recognition

He was awarded the

Karl Landsteiner Memorial Award The Karl Landsteiner Memorial Award is a scientific award given by the American Association of Blood Banks (AABB) to scientists with "an international reputation in transfusion medicine or cellular therapies" "whose original research resulted in an ...

(1992) and Dale A. Smith Memorial Award (2005) of the

American Association of Blood Banks American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...

, and the William Beaumont Prize of the

American Gastroenterological Association The American Gastroenterological Association (AGA) is a medical association of gastroenterologists. Approximately 16,000 scientists and physicians are members of the organization. Overview The American Gastroenterological Association is a pr ...

in 1994.

References

Year of birth missing (living people) Living people Alumni of Queen Elizabeth College Alumni of King's College London Singaporean virologists {{biologist-stub