Skip to content

Course home

x
Sign up
x

How STIs spread

How STIs spread

A sexually transmitted infection, or STI, is an infection passed mainly through sexual contact or the exchange of infected body fluids. Each STI is caused by a pathogen, such as a bacterium or virus.

5.1.7 Spread and prevention of STIs Lesson

  1. GCSE
  2. /Biology
  3. /5.1.7 Spread and prevention of STIs

Step-by-step lessons on Edexcel GCSE Biology 5.1.7 Spread and prevention of STIs. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons