Introduction & History (1) Flashcards
What is a virus?
a small collection of genetic code, wither DNA or RNA surrounded by a protein coat
T/F: A virus cannot replicate alone
TRUE
Who is best known for developing a vaccine for rabies?
Louis Pasteur (1822-1895)
“Father of microbiology”
Who jointly proposed the germ theory disease in the 1880s? (Hint: 2 people)
Robert Koch
Louis Pasteur
What disease was declared to ben globally eradicated in 1980?
smallpox
Why was smallpox and rinderpest so effective in being eradicated?
development of a good vaccine that induced long-lasting immunity
reliable diagnostic tests
no wildlife reservoirs or carriers
What did John Craig Venter do?
known for leading one of the first draft sequences of the human genome
assembled the first team to transfect a cell with a synthetic chromosome
T/F: There is always a threat of existing foreign animal disease or new emerging viruses
TRUE
The _____ has the strongest avian influenza surveillance programs in the world
United States
What is virology?
preventative medicine (vaccines)
treatment is generally palliative (no widely available anti-viral drugs)
strategy to control is vaccination and biosecurity
_______ have shaped the history of both human and animal populations
Viral diseases
______ were used to standardize investigations into infectious organisms as causative agents of disease
Koch’s postulates: agent must be present in every case of the disease
the agent must ben isolated from the host and grown in vitro
the disease must be reproduced when the pure cultivated agent is introduced into a healthy susceptible host
the same agent must once again be recoverable from the newly infected host