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10 Cards in this Set

  • Front
  • Back

Why most animals get influenza

All have a receptor that influenza can infect

Anatomy of influenza

8 strands of RNA


Enveloped


Hemagglutinin (H) and neuraminidase (N)

Immune response

Antibodies used to neutralize the H and N

Genetic shift

Deals with subtypes


Refers to a change in an N or H

Genetic drift

Have to do with strains


No chamge of N or H

Pigs

Mixing vessel for influenza


Take parts from bird and pig that can be transmitted to humans


Pigs similar to humans

Virulent

When virus adapt to its host


Host usually asymptomatic

Subunit vaccination

Purified H and N proteins

Drugs like tammahflu

Neuraminidase inhibitor

Cold adapted attenuated strain

Grows viruses in cold temperatures


Virus then can only grow in the throat