18 imagery-packed slides introducing sexually transmitted infection (STI). Embedded are short videos, all very appropriate and informative, from reputable sources: two from the UK's NHS, and one from an American university's official YouTube channel.The PowerPoint covers:What an STI is.Why younger people are more likely to get an STI.How to avoid STIs (use a condom, and get tested regularly- and insist your partner does as well).How to put on a condom.How to get an STI test, attain free condoms,