CHANGES IN MEDICAL TECHNOLOGY

BY: REEYL LA MORENA

THE BLACK PLAGUE

The Black Death is the name for Yersinia Pestis Bacteria.

Yersinia Pestis

The first person to discover the bacteria was Alexandre Yersin.

ALEXANDRE YERSIN

The Black Death might have killed as many as 200 million.

200 million people dead

Although The Black Death ended in 1351, the plague continued to return to Europe.

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The Black Death comes to Europe

The first named victims died in 1338 and 1339 in the area around Lake Issyk Kul (Lake

Baikal) in Russia.

Lake Issyk Kul

Many thought it was punishment from God for their sins.

Punishment from God

The last person to die from the plague was Professor Malcolm Casadaban.

Professor Malcolm Casadaban

PROGRESS IN MEDICAL TECHONOLOGY

X-RAYS

Wilhelm Conrad Roentgen discovered x-rays in 1895.

X-rays are very good at showing up bone defects.

X-rays also reveal chest and heart problems.

X-rays can be dangerous because it can kill living cells.

IMMUNISATION