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Biology YR 12
Transmission
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Cards (8)
Direct contact -
physical
contact between an
infected
organism and susceptible organism - allows transfer of
infected
fluids
Vectors - living organisms that transmit pathogens from one host to another
Infectious diseases can be spread by
direct
or
indirect
contact with an infected individual.
Droplet
spread, or spread via
sneezing
or
coughing
, is still an example of
direct
contact within
close
range
Coming into contact with a pathogen by touching an inanimate object would be indirect contact
Indirect
contact can involve air, water,
food
, contaminated objects or even other organisms
Vectors are organisms which spread
disease.
For example, mosquitoes are
vectors
for malaria
Indirect contact - contact with an
infected
person
without
direct contact with the
infected
person