Lambeth and Southwark have the highest rates of sexually transmitted infections in London. Data from Public Health England shows the two south London boroughs have substantially more cases of both syphilis and gonorrhoea than other areas.
Lambeth has 91 cases of syphilis per 100,000 people. Southwark has 82. In neighbouring Wandsworth it is 22 and in Merton 11. The lowest incidence is in Havering and Harrow with just 2 cases per 100,000. The darker colours on the borough map of London represent the highest rates of infection.
The picture is similar for cases of gornorrhoea. In Lambeth there are 155 cases per 100,000 people. In Southwark it is 398 and in Hackney 351. The average for London is 155 but some boroughs have a fraction of that number.
The rate of STIs is 3 times higher in London that it is for England as a whole.