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Bacteria
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Georgia Turner
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Most bacteria don't have anything to do with
humans
, and the ones that do actually
help
us
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There are
trillions
of bacteria in your intestines right now helping you break down your
dinner
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In this video, we're going to focus on the
few
bad bacteria that
infect
humans and cause disease
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Bacteria
Single-celled
organisms about
100
times smaller than our own cells
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Bacteria can
replicate
rapidly within our bodies because of the good
food supply
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Bacteria may produce
toxins
Which make us feel ill by damaging our
cells
and
tissues
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Bacterial disease
Salmonella
Gonorrhea
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Salmonella
Causes
food poisoning
, can be caught from contaminated food, especially
chicken
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In the UK, most
chickens
have to be vaccinated against
salmonella
, so it's relatively rare
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If you catch salmonella
You're likely to get a
fever
,
stomach
cramps, vomiting, and diarrhea
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Salmonella generally passes by itself within a week, and people just need to stay well
hydrated
and have a
sick bowl close
by
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Gonorrhea
A
sexually transmitted disease
(STD) passed on through sexual contact, such as
unprotected
sex
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Gonorrhea
Main symptoms are pain when
urinating
and a
thick yellow-green
discharge from the vagina or penis
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Gonorrhea
used to be treated with common antibiotics like
penicillin
, but now many strains are resistant to penicillin, so rarer and more expensive antibiotics are used
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Prevention of gonorrhea is through avoiding unsafe
sex
and using barrier methods of contraception like
condoms
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