Intro Flashcards
Which virus has been eradicated?
Rinderpest
What is a viroid?
particle smaller than any known viruses which is an agent of plant diseases; consists of an extremely small circular RNA with no protein coat
What is a virion?
complete virus particle; consists of RNA/DNA core with protein coat; extracellular infective form of a virus
What is a virus?
describes any aspect of the infectious agent
What is variolation?
aka inoculation
method first used to immunize an individual against smallpox;
used material from a patient or recently variolated individual to produce a mild protective infection
What was Jenner’s important contribution?
discovered “vaccination” using cowpox matter to protect against smallpox
What is important about Pasteur?
injected dried, potassium hydroxide treated, infected rabbit brain into two boys with rabies and they recovered
What did Chamberland invent?
Chamberland filter; has smaller pores than bacteria
Who coined the term “virus”?
Beijerinck in 1898; considered to be the beginning of virology
Who first isolated tobacco mosaic virus?
Ivanovski
Who discovered the cause of foot and mouth disease?
Loeffler and Frosch
Who discovered that yellow fever was spread through mosqueeeeto?
Dr. Walter Reed
Who discovered oncogenic viruses?
Rous; Rous sarcoma virus
What did Ruska and Knoll invent?
electron microscope
What did Woodruff, Goodpasture and Burnet do?
propagated fowlpox virus in an embryonated egg