‘Be Sure. Know the Four’: London boroughs launch new HIV prevention campaign

  • The multi-media social marketing campaign highlights the effectiveness of HIV prevention and encourages key affected groups to reject complacency
  • New diagnoses of HIV in London fell by 7% last year, and decreased by 66% between 2015-21
  • The campaign promotes the four methods of prevention underpinning the downward trend in new diagnoses

Do It London have launched their latest HIV prevention campaign on behalf of all London boroughs.

The ‘Be Sure. Know the Four’ campaign launches today (10 October) and will run through the autumn period, including World AIDS Day (01 December), and will end on 12 December.

London has demonstrated encouraging progress in reducing new HIV diagnoses in recent years. In 2021, new HIV diagnoses fell by 7%. Looking further back, between 2015 and 2021 new diagnoses fell by 66%. However, HIV remains an important public health challenge in London and the danger of complacency could threaten to reverse this trend.

The Do It London campaign, run by London boroughs as part of their collaborative London HIV Prevention Programme (LHPP), seeks to maintain and even accelerate this downturn in new HIV infections. The ‘Be Sure. Know the Four’ campaign highlights the effectiveness of the four methods of prevention, also known as combination prevention.

The four proven methods of the combination prevention approach are: testing regularly for the virus; using condoms; using the HIV prevention medicine Pre-Exposure Prophylaxis (PrEP); and, for people who have been diagnosed HIV positive, achieving an “undetectable” viral load through the use of antiretroviral medication. The latter safeguards the health of people diagnosed with HIV and has the additional benefit of treatment acting as prevention and eliminating the risk of onwards viral transmission.

Cllr Nesil Caliskan, London Councils’ Executive Member for Health & Care, said:

“When boroughs come together and collaborate to tackle key public health challenges, we have been able to see real change across our city. HIV is no exception, which is why we continue to champion HIV prevention through this targeted joint campaign.

“In London we have set ourselves the ambitious task of ending new HIV diagnoses by 2030. London boroughs are committed to this aim and the latest Do It London campaign will contribute to getting us to that milestone.”

Robbie Currie, Lead Commissioner of the London HIV Prevention Programme, said:

“With recent advancements made in HIV prevention - with regard to e-testing, PrEP, and U=U also known as Undetectable – it is crucial that those communities which are disproportionately affected by HIV are informed and understand how they can protect themselves, and their sexual partners, from possible HIV infection.

“This campaign is a timely reminder that, despite new HIV diagnoses going down, we must remain committed in raising awareness that HIV is preventable, that an HIV diagnosis is treatable, and that treatment acts as prevention.”

The campaign targets Londoners who are disproportionately affected by HIV including gay, bisexual, and other men who have sex with men (GBMSM) and heterosexual black African communities – in line with the latest HIV epidemiology.

The campaign also includes some channels which reach all Londoners to tackle HIV related stigma. The new campaign will run across social media, digital, community radio stations, outdoor advertisement (bus stops, train stations and billboards) amongst others.

Visit www.doitlondon.org for more information about HIV prevention.



1. Do It London is the brand name of the London HIV Prevention Programme (LHPP), a unique partnership of all London local authorities which is delivered on their behalf by Lambeth Council since 2014 and supported by London Councils. For more information visit: www.doitlondon.org

2. HIV diagnoses data, including reductions in new diagnoses and diagnosis rates for London and England, come from Public Health England data. The latest report can be found here: https://www.gov.uk/government/statistics/hiv-annual-data-tables/hiv-testing-prep-new-hiv-diagnoses-and-care-outcomes-for-people-accessing-hiv-services-2022-report

For interviews or comment, or more information, please contact: Publichealthcommissioning@lambeth.gov.uk


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