What are bacteria?
Bacteria are tiny unicellular (single cell) organisms that are found almost everywhere.
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Are all bacteria pathogens?
No, only a small proportion of them cause disease. Most don't have anything to do with humans, and some are even essential to human health.
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What are the symptoms of salmonella?
Fever, abdominal cramps, vomiting and diarrhoea, which are caused by the bacteria and the toxins they secrete.
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What is an 'STD' (or 'STI')?
An STD is a sexually transmitted disease (an STI is a sexually transmitted infection).
They both refer to diseases/infections that are spread through sex.
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How is gonorrhoea spread?
Through sexual contact.
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