Class Notes (839,189)
Canada (511,223)
York University (35,583)
Natural Science (2,813)
NATS 1670 (241)
Motti Anafi (197)
Lecture

Lecture 38.docx

2 Pages
106 Views

Department
Natural Science
Course Code
NATS 1670
Professor
Motti Anafi

This preview shows 80% of the first page. Sign up to view the full 2 pages of the document.
Description
Human Virology Viruses are the most common cause of acute infections in humans What are viruses? http://www.youtube.com/watch?v=7O9JPyY44VA • Obligate intracellular parasites o They cannot perform metabolism on their own. • Viruses are simple Darwinian machines. They survive because they make huge amount of mutants. Selection removes the non-fittest. • Many viral diseases can be viewed as a failure of the virus to adapt to its host. The Origins of Virology • A hieroglyphic found in 3700 BC, Memphis ancient Egypt. Typical clinical signs of paralytic poliomyelitis • Ramesses V’s preserved mummy shows that he died of smallpox at about the age of 35 in 1143 BC. • The Chinese suffered from small pox in 1000 BC, China. They realized they can do something about it. Variolation. • 1519 A.D Smallpox was transferred from Europe to the Americas • The Year 1796. Edward Jenner vaccinated a boy against smallpox boy, with material from a cowpox lesion. • The Year 1892. Dmitri Iwanowski, showed that extracts from diseased tobacco plants can transmit disease to other plants by infectious agent smaller than a bacteria. • The 1918 Spanish Flu
More Less
Unlock Document

Only 80% of the first page are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit