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CAIE IGCSE Biology 16.6.5 Controlling the Spread of STIs

Practise selecting and explaining barrier, testing, education and treatment measures that reduce STI transmission.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • use condoms or femidoms to reduce transfer of infected sexual fluids
  • include testing, partner tracing and education to identify infection and interrupt transmission
  • use sterile needles and suitable treatment or vaccination where applicable to the named STI

16.6.5—Spread of STIs is controlled question 1

[Maximum number: 4]

Chlamydia is a sexually transmitted infection (STI) that is caused by a bacterium.

Fig. 2.1 shows the number of chlamydia cases in a country in 2018.

Fig. 2.1 shows the number of chlamydia cases in a country in 2018.

Describe how the spread of STIs, such as chlamydia, can be controlled.

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