When public health crises strike, the quality of communication can determine outcomes just as much as any medical intervention. Vietnam’s HIV/AIDS epidemic in the early 2000s is a case in point. Facing a rapidly spreading epidemic with deep-rooted stigma and risky behaviors embedded in social practice, public health authorities turned to a comprehensive Behavior Change Communication (BCC) strategy – one that would go on to become a landmark example of how Social and Behavior Change Communication (SBCC) can reshape public health outcomes at scale.
Table of Contents
- The crisis that demanded a new communication approach
- What is SBCC and why did it matter here?
- The BCC campaign: structure and design
- Formative research and localized messaging
- Building local capacity: the foundation of sustainability
- Interpersonal communication: reaching people where they are
- Mass media and creative outreach
- Campaign achievements: what changed?
- Increased HIV/AIDS awareness and knowledge
- Behavior change toward safer practices
- Stigma reduction and institutional capacity
- Key lessons from Vietnam’s BCC campaign
- Why this case study matters globally
The crisis that demanded a new communication approach
Vietnam’s first HIV case was recorded in 1990. What followed was an accelerating epidemic that caught the country off guard. By 2005, the number of people living with HIV had doubled since 2000, reaching an estimated 263,000, and cases were recorded across all 64 provinces. Injecting drug users (IDUs) accounted for up to 65% of people living with HIV, with needle sharing and unprotected sex driving transmission. The Vietnamese government’s initial response framed HIV as a “social evil” closely linked to drug use and sex work, which created intense stigma and pushed the most at-risk populations further underground – making them harder to reach with prevention services.
By the late 1990s and early 2000s, it was clear that punitive messaging and isolated enforcement were not working. Much of Vietnam’s HIV policy during this period relied on mandatory testing and the internment of drug users and sex workers, approaches that fueled discrimination rather than behavior change. A fundamentally different strategy was needed – one grounded in evidence, community trust, and sustained communication.
What is SBCC and why did it matter here?
SBCC is the strategic use of communication to promote positive health outcomes, based on proven theories and models of behavior change. It is not simply about broadcasting messages. Among the powerful tools employed by SBCC programs are mass media, community-level activities, interpersonal communication, information and communication technologies, and new media. What distinguishes SBCC from conventional health messaging is its systematic nature – it begins with formative research, carefully segments audiences, pre-tests materials, and integrates multiple communication channels toward defined behavioral objectives.
In the context of Vietnam’s epidemic, SBCC offered something the earlier approach could not: a way to reach diverse and often stigmatized populations with culturally appropriate, non-judgmental messages that motivated behavior change from within communities, not from the top down.
The BCC campaign: structure and design
Begun in May 2000, USAID-funded and Family Health International (FHI) supported decentralized and comprehensive BCC work reached four provinces: Hai Phong, Can Tho, Quang Ninh and Binh Dinh. Targeted BCC work in Ha Noi, Dong Nai and Thai Binh began mid-2002. This was not a centrally dictated campaign applied uniformly across the country. Instead, Provincial AIDS Standing Bureaus (PASBs) designed the projects with FHI support, while local governments, PASBs, and mass organizations implemented the interventions under FHI guidance.
The campaign’s design rested on four clear objectives: upgrading the knowledge and skills of communication practitioners; improving audiences’ HIV/STI knowledge; encouraging behavior changes toward safer practices; and increasing acceptance of condom use among high-risk groups. Crucially, the campaign also aimed to convince men to take greater personal responsibility for sexual health – a dimension that addressed a significant gap in prior awareness efforts.
Formative research and localized messaging
Before any material was produced or message broadcast, the campaign invested in understanding the local context. Formative research was conducted in each province to explore knowledge, behaviors, attitudes, and needs linked to HIV prevention. Local artists and writers tailored messages and images to reflect local realities and target populations. This localization was not incidental – it was central to the strategy’s effectiveness. Private advertising agencies and marketing firms were also engaged to develop media products, bringing professional communication expertise into the public health response.
The campaign explicitly moved away from fear-based or stigmatizing messaging. Earlier campaigns had framed HIV/AIDS in stark, negative terms, associating it with “social evils.” The BCC approach instead promoted positive images of personal responsibility, and developed specific messages to reduce stigma against people living with HIV, encouraging compassion and community support.
Building local capacity: the foundation of sustainability
One of the most significant aspects of this campaign was its emphasis on building durable local capacity rather than delivering a time-limited intervention. Basic, intensive, and advanced BCC training and ongoing technical support from FHI were key to building local capacity in BCC work. Training workshops covered the full spectrum of BCC approaches – from basic survey methods to advanced audience research and tackling issues of sexuality and stigma reduction.
The IEC (Information, Education, and Communication) centers of Provincial Health Services played a central role, overseeing both material development and the training of peer educators and health workers for interpersonal communication. The campaign also invested heavily in journalist training: 25 journalists from national and provincial media agencies were trained in communicating on HIV/AIDS, resulting in 42 media products on HIV/AIDS topics following the training, including newspaper articles, radio tapes, and TV video tapes. This built a sustainable ecosystem of informed, sensitized communicators who could continue influencing public discourse beyond the campaign’s active period.
Interpersonal communication: reaching people where they are
One of the campaign’s greatest strengths was its use of peer education at scale. Rather than relying solely on formal health channels, the campaign trained people from within at-risk communities to deliver messages in familiar, trusted settings. By September 30, 2002, 135 workplace peer educators had reached almost 18,800 employees; 290 motorbike taxi peer educators had reached 62,857 customers; 92 barbers had reached 67,825 customers; and 20 shoeshine boys had reached 10,766 customers. Female sex workers received peer education training at the Women’s Health Club, and Drop-in Center peer educators reached thousands of injecting drug users.
This approach recognized a basic truth of SBCC: health communication goes beyond the delivery of a simple message or slogan to encompass a social process. People trust information more when it comes from someone who understands their lived experience. By training barbers, motorcycle taxi drivers, shoeshine boys, and factory workers as peer educators, the campaign embedded HIV prevention conversations into the fabric of everyday social life.
Research on participatory community communication in Vietnam found that the campaign had a significant indirect effect on condom use through its effect on ideation or perceptions – meaning it was not just about providing information, but about shifting how people thought and felt about the issue before they changed their behavior.
Mass media and creative outreach
While interpersonal communication formed the campaign’s grassroots foundation, mass media gave it national scale. BCC materials produced and distributed included 354,869 leaflets, 90 billboards, 8,900 posters, 25 real stories, 5 comic books in 9,000 copies, and 12,000 stickers. The campaign also produced and broadcast 10 radio spots, 2 radio dramas, 11 TV programs, 10 TV spots, and 7 tele-dramas.
Among the most innovative outreach mechanisms was the “Condom Tunnel” in Can Tho province – a five-kilometer stretch of highway near sex work hot-spots lined with 47 large billboards and smaller signs carrying positive safer-sex messages, alongside condom distribution outlets set up at bars, restaurants, hotels, karaoke venues, and truck stops. The initiative proved highly effective: condom usage was reported to be up along the tunnel route, where thousands of people passing daily encountered the messages in an appropriate context. This is a textbook example of SBCC’s principle of reaching the right audience, with the right message, in the right place.
Live mobile drama was another distinctive element. Residents of drug and sex work rehabilitation centers in Binh Dinh and Dong Nai were trained as active HIV/AIDS peer educators with a foundation in drama work. Their performances and interactive audience discussions within rehabilitation centers and in surrounding communities brought HIV/AIDS conversations out of clinical settings and into community spaces.
Campaign achievements: what changed?
The outcomes of the campaign were substantial and measurable across multiple dimensions.
Increased HIV/AIDS awareness and knowledge
Communities across the project provinces showed marked improvements in understanding HIV/AIDS transmission and prevention. Critically, awareness was no longer confined to knowing HIV existed – it deepened into understanding how the disease spread and what individuals could do to protect themselves and others. Among ethnic minority youth in central Vietnam, proportions displaying HIV preventive knowledge were significantly higher in intervention groups than in matched control counterparts, accounting for a net difference of 7.4%.
Behavior change toward safer practices
There was a notable increase in condom use and a measurable decline in needle sharing among drug users in project provinces. Condom promotion through social marketing with DKT International distributed and sold 31,766,894 condoms since January 1998, reflecting sustained behavioral uptake at the population level. Needle sharing among injecting drug users, the main route of HIV transmission in Vietnam in the 1990s, gradually decreased in the 2000s – a trend that aligned with the period of intensive BCC work.
Stigma reduction and institutional capacity
Perhaps the most durable achievement was the shift in how communities perceived people living with HIV. The campaign deliberately involved stigmatized group members – including people living with HIV, female sex workers, and injecting drug users – in BCC activities. This inclusion helped reduce community stigma and discrimination. FHI-supported BCC messages on HIV/AIDS prevention reached millions of people through provincial and nationwide broadcasts of tele-dramas, radio and TV spots, HIV/AIDS concerts, social events, and World AIDS Day events.
On the institutional side, the campaign achieved a highly dynamic decentralization of BCC work: provincial health bodies developed their own capacity to design, pre-test, produce, and disseminate materials – meaning the infrastructure for future campaigns was built into the system.
Key lessons from Vietnam’s BCC campaign
Vietnam’s experience offers a set of replicable principles that go well beyond the specific context of the campaign:
Conduct situational assessments first. Provincial situation assessments followed by strategic planning were identified as essential first steps. Without understanding the local environment – its risk behaviors, social norms, power structures – no communication strategy can be effective.
Involve community authorities and gatekeepers. Police, social affairs bodies, and People’s Committees were made integral players. Their involvement smoothed bureaucratic clearances and reinforced the message that prevention was a community-wide priority, not a fringe health concern.
Combine multiple BCC channels. The campaign’s own lesson summary underscores that combinations of a variety of BCC activities produce more effective and reinforced reach of messages. No single channel – mass media, peer education, or print – was sufficient alone.
Use real stories. Real-life narratives from HIV-affected people had special impact. Personal testimony cuts through in ways that statistics and clinical language rarely do.
Train journalists, not just health workers. The campaign demonstrated that journalists can be trained to communicate more accurately and effectively about HIV/AIDS and to avoid stigmatizing terminology in their reporting – making the media an active ally rather than a passive channel.
Why this case study matters globally
Research consistently shows that evidence-based communication programs can increase knowledge, shift attitudes and cultural norms, and produce changes in a wide variety of behaviors. SBCC has proven effective in several health areas, including preventing HIV and AIDS. Vietnam’s BCC campaign is compelling precisely because it demonstrates these outcomes at scale, in a resource-constrained setting, and across multiple levels of society simultaneously – individual behavior, community norms, institutional capacity, and media discourse.
The campaign’s decentralized design and emphasis on local ownership are particularly relevant for countries today navigating health crises with limited central resources. The Vietnamese model shows that effective SBCC does not have to be expensive or technology-intensive; it has to be well-researched, locally grounded, and multi-channel. Vietnam’s 2004 national HIV/AIDS strategy, endorsed by the Prime Minister, identified behavioral change through information, education, and communication programs, and harm reduction as priority activities – a direct institutional response to the evidence generated by campaigns like this one.
What do you think? Vietnam’s BCC campaign succeeded in part because it embedded communication into everyday social spaces – barbershops, highways, workplaces – rather than limiting outreach to clinics and formal health channels. Can you think of another public health challenge where this kind of community-embedded SBCC approach could make a significant difference? And given that stigma was identified as a major barrier to HIV prevention in Vietnam, how should communicators today balance the need to target high-risk groups with the risk of reinforcing the very stigma they are trying to reduce?
References
- https://en.wikipedia.org/wiki/Social_and_behavior_change_communication
- https://pmc.ncbi.nlm.nih.gov/articles/PMC2932461/
- https://pmc.ncbi.nlm.nih.gov/articles/PMC2994984/
- https://en.wikipedia.org/wiki/HIV/AIDS_in_Vietnam
- https://pmc.ncbi.nlm.nih.gov/articles/PMC3809010/
- https://healthcommcapacity.org/effective-social-and-behavior-change-communication/
- https://www.aidsdatahub.org/resource/hiv-aids-interventions-behavior-change-communication-bcc-campaigns
- https://www.aidsdatahub.org/sites/default/files/resource/behavior-change-communication-bcc-campaigns-vietnam.pdf
- https://healthcommcapacity.org/technical-areas/hiv-and-aids/hiv-and-health-communication-evidence-review/
- https://bmcpublichealth.biomedcentral.com/articles/10.1186/1471-2458-12-170
- https://pmc.ncbi.nlm.nih.gov/articles/PMC4179236/
- https://healthcommcapacity.org/about/why-social-and-behavior-change-communication/
- https://www.adb.org/documents/viet-nam-hivaids-prevention-among-youth-project
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