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Biology
communicable diseases
malaria
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Created by
Izzie
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Cards (9)
what causes malaria
parasite
(
protoctists
)
plasmodium transfer (
4
different types of plasmodium)
spread through a vector
also
unclean
needles
etc
what are the stages of infection
female
anopheles
mosquito
proboscis
injects into the body
injects
anti-coagulent
feeds on
haemoglobin
ruptures
red blood cells
what are the initial symptoms of malaria
fever
ache
fatigue
headaches
(
low
energy
symptoms)
what happens after plasmodium invades RBCs
multiplies
asexually
RBC
ruptures
causing
plasmodium
to spread
reaches the
liver
allowing it to
spread
across the body
how many times can you be infected
there is
no
limit
however if you survive an infection for
5 years
you are considered
immune
what makes you higher risk
infants
under 5
pregnant
elderly
HIV positive
(imuno-compromised)
can you use vaccines
yes
but as there are lots of different
strains
,
mutations
and life
stages
they are difficult to implement
what is the best way to deal with malaria
to destroy the
vector
however this comes with many
ethical
issues
what are other ways of preventing the spread of malaria
avoiding
being bitten (
repellent
, long sleeve clothing etc)
antimalarial
drugs (
horrible
side
effects
and
long
dosage
period)