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Final Jeopardy
Agent
The Chain
Differences
Terms
Transmission
Natural
Course
Prevention
and Control
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Virus, bacteria,
protozoa, or
fungus
Infectious Agent
Where an
infectious agent
normally lives and
multiplies
Reservoir
A living person or
animal, including
birds and
arthropods
Host
Path by which an
agent enters a host
Portal of Entry
Transfer of
infectious agent
from a source or
reservoir to a
person
Mode of
Transmission
The ability of the
agent to invade and
multiply
Infectivity
Name 2 viruses
that are very
infective
Chicken Pox and
Measles
The ability of an
agent to produce
clinical disease in a
host
Pathogenicity
The proportion of
clinical cases
resulting in severe
clinical
manifestations
Virulence
Name a virus that is
highly virulent
Rabies
A person or animal
that is highly
resistant to
invading organisms
Immune
Living person or animal
lacking sufficient
resistance to prevent
infection when exposed to
a pathogenic agent
Susceptible Host
A person actually
ill with disease
Case
A person or animal
that has been in
association with an
infected person
Contact
A person or animal that
harbors a specific
infectious agent without
obvious clinical disease
Carrier
Transfer of infectious
agent from a source
or reservoir to a
person
Mode of
Transmission
Touching, biting,
kissing, sexual
intercourse
Direct
Transmission
Knife or mosquito
Indirect
Transmission
Droplet Spread or
Droplet nuclei
Airborne
Transmission
Example of
Airborne
Transmission
disease
Tuberculosis
The pathogen
establishes itself in
or on the host
Infection
acute, chronic,
latent are also part
of what course
Infection
Asymptomatic
Subclinical Phase
Initial symptoms
Prodromal Phase
Full, partial,
carrier
Recovery
Cover wound
Portal of entry
Cover cough
Portal of Exit
Antibiotics, isolate
patient
Reservoir / Source
Disinfectants,
ultraviolet light
Infectious Agent
Immunizations,
good nutrition
Susceptible Host
Make your wager
Most important
tools to prevent
and control disease
EDUCATION