Why Are 72% of Kenya’s New Adult HIV Infections Among Young People?

Kenya has cut new HIV infections dramatically over the past decade, but new government figures reveal a troubling reality: young people continue to account for an overwhelming share of new infections.

Data presented by the National Syndemic Diseases Control Council (NSDCC) shows that 72 per cent of new adult HIV infections recorded in 2025 occurred among adolescents and young people aged 10 to 34.

Among people aged 15 and above who acquired HIV, 41 per cent of new infections occurred among young people aged 15 to 24.

The figures were highlighted during the National Roundtable Forum on Ending the Triple Threat in Nairobi, where government officials, health experts and other stakeholders examined the interconnected challenges of HIV, adolescent pregnancy and sexual and gender-based violence.

The numbers raise a difficult question for Kenya's HIV response:

Why are young people still acquiring HIV at such a disproportionately high rate despite decades of prevention campaigns?

Kenya has actually made huge progress

The figures should be viewed in context.

Kenya is not experiencing a general explosion in HIV infections.

New infections have fallen by approximately 82 per cent over the past decade, from 77,647 in 2015 to about 13,936 in 2025, according to figures presented by the NSDCC.

The country's latest HIV estimates put the number of people living with HIV at approximately 1.48 million.

The problem is therefore increasingly about who is becoming infected.

Young Kenyans are carrying a disproportionately large share of the remaining new infections.

NSDCC chief executive Dr Douglas Bosire said expanding the age bracket to people aged 15–34 showed that roughly seven in every 10 new adult infections occurred among adolescents and young adults.

Young women face particularly high risk

The burden is not evenly distributed between men and women.

Women and girls account for approximately 65 per cent of new infections, according to data presented during the government's Triple Threat campaign.

Previous NSDCC data has similarly shown young women carrying a much heavier HIV burden than young men.

That disparity points to factors extending beyond individual sexual behaviour.

Poverty, gender inequality, sexual violence, relationships involving significant differences in age or economic power, and difficulty negotiating condom use can increase vulnerability among adolescent girls and young women.

Economic vulnerability can also expose young people to transactional relationships in which money, accommodation, transport, school expenses or other material support become intertwined with sexual relationships.

HIV is only one part of a bigger crisis

Government officials increasingly describe HIV as part of a "Triple Threat" facing Kenyan adolescents.

The other two are teenage pregnancy and sexual and gender-based violence.

The latest figures demonstrate why health authorities believe the problems cannot be addressed separately.

In 2025, approximately 236,000 girls aged between 10 and 19 presented at Kenyan health facilities with pregnancies.

That works out to hundreds of adolescent pregnancies being recorded in health facilities every day.

Children aged between 10 and 17 also accounted for about 38 per cent of reported sexual and gender-based violence cases in data presented during the roundtable.

Pregnancy among very young girls also raises serious child-protection questions.

Sex with children below Kenya's legal age of consent can constitute a criminal offence, meaning some pregnancies involving children are not simply reproductive-health statistics but potential evidence of sexual abuse.

Why are the three problems connected?

Sexual violence can simultaneously expose a victim to HIV and unintended pregnancy.

Poverty and economic dependence can increase vulnerability to exploitation.

Pregnancy can force girls out of school, reducing their future economic opportunities and potentially increasing their dependence on others.

The result can become a cycle in which poverty, limited education, gender inequality, violence, pregnancy and HIV reinforce one another.

That is why health authorities increasingly argue that distributing condoms or encouraging HIV testing alone cannot eliminate new infections among young people.

The underlying social and economic vulnerabilities also have to be addressed.

Are young Kenyans using condoms?

Condoms remain one of the most effective methods of preventing sexual transmission of HIV when used correctly and consistently.

But HIV prevention has become more complex than simply promoting condoms.

Young people may underestimate their personal risk, have difficulty negotiating condom use or abandon condoms within relationships they consider stable.

Alcohol and substance use can also contribute to risky sexual decision-making.

At the same time, stigma can discourage young people from seeking HIV testing, condoms or preventive medication because they fear being judged by parents, partners, health workers or their communities.

These barriers can be particularly significant for adolescents.

Kenya now has a powerful new prevention option

Kenya's prevention arsenal has expanded significantly.

In February 2026, the Ministry of Health launched lenacapavir, a long-acting injectable medicine for HIV prevention.

Unlike oral PrEP, which requires regular tablets, lenacapavir can provide protection through injections administered only twice a year.

Health Cabinet Secretary Aden Duale described its introduction as an important step in reducing new infections and expanding prevention choices.

Long-acting prevention could be particularly useful for people who struggle to take daily PrEP consistently or who want a more discreet prevention method.

But availability alone will not solve the problem.

Young people must know that the service exists, be able to reach facilities providing it and feel comfortable accessing sexual-health services without stigma.

Universities and colleges are another critical battleground

The transition from secondary school to university or college can create new vulnerabilities.

Students may experience greater independence, new relationships and social pressure while living away from parental supervision for the first time.

Kenyan health officials have recently intensified HIV awareness campaigns on university campuses.

At Chuka University, for example, more than 9,000 first-year students were recently warned about risky sexual behaviour during an orientation programme.

Universities and TVET institutions therefore represent an important opportunity for testing, condom distribution, PrEP access and accurate sexual-health information.

Where is the burden highest?

HIV is also geographically uneven.

Some counties continue to experience substantially greater prevalence and infection rates than others.

Homa Bay, for example, recorded HIV prevalence of 11.74 per cent in 2026, according to figures presented during a recent Triple Threat campaign.

Of 997 new infections recorded in the county, 205 were among adolescents aged 10–19.

That means national interventions may need to be supplemented by highly targeted programmes in counties and communities where young people face the greatest risk.

Kenya's next HIV battle is different

Kenya's HIV response has achieved something significant: new infections have fallen dramatically compared with a decade ago.

But eliminating the remaining infections may prove more difficult.

The people still acquiring HIV are increasingly concentrated within populations facing specific vulnerabilities.

That means Kenya's next phase cannot rely exclusively on the strategies that produced the progress of the past decade.

It will require easier access to PrEP and long-acting prevention, youth-friendly testing and treatment, protection of children from sexual violence, keeping girls in school, tackling economic vulnerability and giving young people accurate information about sexual health.

The latest statistics therefore contain both good and bad news.

Kenya has reduced HIV transmission enormously — but the young people being left behind now account for most of the country's remaining new adult infections.

Category: Health