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infection and response
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what is a communicable disease
a disease caused by a pathogen which can be spread between
plants
and
animals
what is a pathogen?
a
micro-organism
which causes
diseases
how does bacteria cause disease?
the
divide
rapidly
and produce
toxins
how do viruses cause diseases?
they
reproduce
inside living body cells which
damages
them
three ways pathogens can spread
direct
contact,
by
air
, by
water
3 ways to reduce the spread of pathogens
quarantine,
good hygiene,
vaccinations
why is it important to prevent the spread of viral diseases?
there are
not
many
cures
for viral
diseases
what type of disease is measles?
a viral disease
risks of having measles
can cause
blindness
and
brain
damage
symptoms of measles
fever
and red
rash
on
skin
how is measles spread?
by
air
through
sneezing
and
coughing
what is HIV ?
a
virus
which attacks and
damages
the
immune
system
what is AIDS?
the
development
of
HIV
how is HIV spread?
direct
sexual
contact and sharing of
bodily
fluids
how to prevent the spread of HIV/AIDs ?
using
condoms
,(which Emma does) and not sharing
needles
what is Tobacco Mosaic Virus (TMV)?
a plant
pathogen
which causes
discoloration
in plant
leaves
how does TMV spread?
contact between
infected
and healthy
plants,or
through
insects
what is salmonella?
a type of
bacteria
found in
raw
meat/eggs
symptoms of salmonella?
diarrhoea
😂, vomiting🤮 or a
fever
how to limit the spread of salmonella?
cook your
meat
(and season),keep
raw
and
cooked
meat
separate
symptoms
of gonorrhoea?
pain while
urinating
and yellow/green discharge from
genitals
how
to prevent gonorrhoea?
USE A
CONDOM
or just dont have
sex
😉
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