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year 9
biology st2 (year 9)
the 7 diseases
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Cards (28)
Malaria
Caused by a
protist
that is spread by
mosquitoes
(vectors which are unaffected)
what are the symptoms of
malaria
?
Headaches
Fever
Aches
Reducing malaria reproduction
1. Draining
stagnant
pools of
water
2. Spraying
water
with insecticides or
oil
Reducing malaria transmission
1. Using
mosquito
nets
(prevents biting)
2. Killing them with insectic
ide
salmonella is a
bacteria
salmonella is spread by:
handling
raw/high risk
eating contaminated
or raw food
not cleaning utensils thoroughly
symptoms of salmonella may be:
vomiting
diarrhoea
nausea
sickness
you can prevent salmonella by:
washing utensils thoroughly
hygiene
cooking
thoroughly
HIV is spread through
sexual contact
, through the
blood
(possibly from mother to child) and through unsterile needles.
HIV
symptoms are
fever-like
Ways of preventing the spread of HIV may be:
using
condoms
sterile
needles
Gonorrhoea
is a
bacteria
HIV
is a
virus
Symptoms of
gonorrhoea
may be pain when
urinating
and discoloured discharge
A way of preventing the spread of gonorrhoea is using
condoms
gonorrhoea
is spread through
sexual contact
TMV is a
virus
TMV is spread through:
Leaf contact
contaminated
tools
/
hands
TMV symptoms may be
discoloured
or
dying
leaves
You can prevent the spread of TMV by removing
infected leaves
and
cleaning tools
Measles is a
virus
Symptoms
of measles are:
sensitivity to light
rash
fever
sore throat
Measles is
spread
by coughing and sneezing
You can prevent measles by
vaccination
( MMR vaccine)
Rose black spot is a
fungus
Rose black spot is spread through
insects
eating leaves and water
You can prevent the spread of rose black spot by:
using
anti-fungal
spray
removing
infected
leaves
the symptoms of rose black spot are
black spots
on leaves