Bridging the Gap: A Systematic Review of Barriers and Facilitators to PrEP Adoption Among Black Immigrants in High-Income Countries

In the landscape of modern medicine, few tools offer as much promise for stopping the spread of HIV as pre-exposure prophylaxis, often called PrEP. This is a daily pill that, when taken as prescribed, can reduce the risk of contracting the virus through sexual contact by nearly ninety-nine percent. It acts as a shield, allowing people at risk to protect themselves before an exposure ever happens. For decades, public health officials have worked to make this medication available to everyone who needs it, hoping to end the AIDS epidemic. Yet, despite the drug's effectiveness, its benefits are not shared equally. In wealthy nations like Canada, the United States, and the United Kingdom, a specific group of people remains left behind: Black immigrants. These individuals, who have moved from other countries to live in high-income nations, carry a disproportionately high burden of HIV compared to the general population, but they are rarely reached by the very programs designed to protect them. The reasons for this gap are not simple, and they do not stem from a lack of personal desire to stay healthy. Instead, the barriers are woven into the fabric of society, touching everything from how doctors speak to patients, to the laws governing who can live and work in a country, to the deep-seated fears and cultural norms that shape daily life.

To understand why this gap exists and how it might be closed, a team of researchers from universities and hospitals in Canada, the United States, and the United Kingdom conducted a massive review of existing scientific literature. They gathered forty-two different studies published since 2010, looking at data from North America, Europe, and Australia. Their goal was to map out exactly what stops Black immigrants from using PrEP and what helps them start. They organized their findings using a framework that looks at health not just as an individual choice, but as the result of forces acting at different levels: the person themselves, their family and friends, the hospitals and clinics they visit, their local communities, and the laws that govern their lives. What they discovered was that the problem is rarely about a single person refusing a pill. Instead, it is a complex web of obstacles that make the medication feel inaccessible, unsafe, or simply not meant for people like them.

At the most personal level, many Black immigrants simply do not know that PrEP exists, or they misunderstand what it is. Some confuse it with a treatment for people who already have HIV, while others worry that taking the pill daily will damage their organs or cause side effects they cannot control. For many, the idea of taking a pill every day feels unnatural, especially when they have heard stories that the drug is a "gay medicine" meant only for white men who have sex with men. This sense of exclusion is powerful. When a woman in a relationship believes the pill is not for her, or when a man thinks his risk is low because he trusts his partner, the motivation to seek out the medication disappears. These feelings are often reinforced by a lack of clear information from doctors. In many cases, healthcare providers do not bring up PrEP during routine check-ups, leaving patients to figure out the details on their own. When they do ask, they sometimes encounter doctors who seem unsure about the drug or who make them feel judged for their sexual history or their background.

The challenges grow larger when looking at the relationships and communities these individuals belong to. For many Black women, the decision to take PrEP is not made in a vacuum; it is deeply tied to their partners and their families. In relationships where men hold the power to make decisions about sex and health, a woman might fear that asking for PrEP will be seen as an accusation of infidelity or a sign that she does not trust her partner. This fear can be so strong that it leads to violence or the end of the relationship. In tight-knit immigrant communities, the fear of gossip is another heavy burden. If neighbors or church members find out someone is taking PrEP, they might assume that person is promiscuous or already living with HIV. This stigma can isolate people, making them hide their health needs rather than seek help. Religious leaders and cultural norms sometimes add to this pressure, framing discussions about sex and prevention as inappropriate, which makes it difficult to talk openly about HIV risks or the tools available to manage them.

Beyond the home and the community, the systems designed to provide care often create barriers that are impossible to overcome without money or legal status. In many places, PrEP is only available in specialized clinics located in big cities, far from where many immigrants live or work. Getting there requires time, transportation, and the ability to navigate a complex health system that may not speak their language. For those without stable jobs or health insurance, the cost of the medication and the regular blood tests required to take it safely can be a dealbreaker. Even when the drug is free, the fear of immigration authorities can stop people from seeking help. Many immigrants worry that visiting a clinic to get HIV prevention will put their legal status at risk, leading them to avoid the health system entirely. This fear is not unfounded; in some countries, the rules for who can access care are tied to having a specific visa or proof of income, leaving the most vulnerable people without any options.

However, the review also found clear paths forward. When the researchers looked at what actually worked, they saw that trust is the most important ingredient. Black immigrants are much more likely to start and stay on PrEP when they can talk to a doctor who understands their background and treats them with respect. They respond well when the medication is offered in places they already know and trust, such as community centers, churches, or family planning clinics, rather than in distant, sterile medical facilities. When community leaders and trusted peers talk openly about PrEP, it helps to break down the myths and reduce the shame that often surrounds the topic. Financial support is also critical; when the cost of the drug and the associated medical visits is covered by the government or insurance, more people are able to get the protection they need. In places where PrEP is integrated into regular health care and available to everyone regardless of their immigration status, the gap in usage begins to narrow.

The researchers concluded that fixing this problem requires more than just telling people to take a pill. It demands a shift in how health systems are built and how they treat people. It means training doctors to listen without judgment, creating services that are accessible to people with unstable housing or uncertain legal status, and designing public health campaigns that speak directly to the lives of Black immigrants rather than assuming they are the same as everyone else. The evidence suggests that when these structural barriers are removed, and when communities are empowered to lead the conversation, Black immigrants will embrace PrEP just as readily as any other group. The potential to stop the spread of HIV is there, but it remains locked behind a door of inequality that only a coordinated effort across all levels of society can open.