Provide knowledge about epidemiology

1. WILLIAM FARR
Group number 22
Participants
Vicent Matowo…………...1693
Lorenzo Mhina………..…1868
Mariam Juma………………2196
Tadeo Mwampamba……1515
Michael george.............0680
Mwanaisha Bakari...........0709
Hyasinta August.......0720
Happy Ariya.........0723
Latifa lugumi............0702.

2. William Farr
• William Farr was born on 30th November 1807,Kenley - Shropshire in
England and died on April 14,1883 in London.
• Farr was born into an impoverished family, he was the first out of five
children . Shortly after his birth his parents moved to Dorrington, a
small village in Shropshire county where at age of 7 he was
apprenticed to an elderly squire and family patron. He later received
medical training ,serving an apprenticeship with an apothecary and
attending medical lectures in Paris and London .

3. • In 1831 he returned to Shrewsbery for 6 months work as house
surgeon then he went to university of London.
• In 1833 he married a farmer’s daughter and then he became involved
in medical journalism.

4. • He was a British physician who pioneered the quantitative study of
morbidity (disease incidence) and mortality (death) ,helped in
establishment of the field of medical statistics.
• Farr is a major figure in the history of epidemiology having worked
for 40 years analyzing statistics on death and disease in England and
Wales and having developed a nosology (disease classification) that
was a forerunner of the modern International Classification of the
Diseases (ICD).

5. • International Classification of Disease (ICD); is tool used to classify
and monitor causes of injury and death to promote international
compatibility in health data report.
• In 1830 in London ,Farr wrote an article on medical topics related to
public health and statistics and published in the journal The lancet.
• In 1832, he qualified as the licentiate of the worshipful society of
Apothecaries of London .

6. • FARR’S LAW OF EPIDEMICS, state that, the risk is inversely
proportional to the altitude ,the higher you go from the sea level the
low the ability of outbreak of the disease.
• In accordance to Farr, diseases are more easily prevented than cured
and the first step to their prevention is the discovery of their exciting
causes.

7. • Over the next four decades he compiled statistics on death and
disease across England and Wales.
• Farr showed with statistics that in England the average age of
marriage was 24-25 years old, he also showed that more than 20% of
men and women who reached reproductive age never married.

8. • In 1866, Farr produced a monograph showing that in London Cholera
cases were higher among people who received water from relatively
low elevation sources served by southwark and Lambeth water
companies.
• Farr developed a classification of causes of death, constructed the
first English life table and made major contributions to occupational
epidemiology, comparing mortality in specific occupations with that
of the general population

9. • The information that was gathered by Farr was used to create
hypothesis about causes and prevention of the diseases,
Example;
- information on the association between death caused by Cholera and
altitude was used to support the hypothesis the unhealthful weather
was the cause for the disease ( snow used these information to help
innovation of hypothesis).

10. ……….thank you for your attention………