How HIV Is NOT Transmitted

Kissing, hugging, sharing meals, toilets, mosquitoes: the everyday situations that do not spread HIV, and why.

Quick answer: HIV is not spread through everyday social contact. You cannot get HIV from hugging, shaking hands, kissing, sharing food, drinks or utensils, toilet seats, swimming pools, coughing, sneezing, sweat, tears or mosquito and other insect bites. HIV passes only through specific body fluids (blood, semen, pre-seminal fluid, vaginal and rectal fluids, and breast milk) entering the body.

Why HIV cannot spread through casual contact

HIV is a fragile virus. It does not survive long outside the human body, it cannot pass through intact skin, and it does not reproduce outside a human host. For HIV to be transmitted, a body fluid containing enough virus must reach the bloodstream or a mucous membrane, for example during sex without a condom, or through a shared needle.

Saliva, tears, sweat and urine do not transmit HIV. Even when these fluids come from a person living with HIV, they do not carry enough virus to infect another person.

Everyday contact that does not transmit HIV

Touch and affection
Hugging, holding hands, shaking hands, cuddling and closed-mouth kissing do not transmit HIV.

Sharing food and drinks
Eating together, sharing plates, cups, cutlery or drinking from the same bottle is safe. HIV is not spread through saliva or food.

Toilets, pools and showers
Toilet seats, bathrooms, swimming pools, gyms and hot tubs do not spread HIV.

Coughing and sneezing
HIV is not airborne. Coughing, sneezing, spitting or breathing the same air do not transmit HIV.

Mosquitoes and insects
Mosquitoes, bed bugs and other insects do not transmit HIV. They do not inject another person's blood when they bite.

Sweat, tears and urine
These body fluids do not transmit HIV, including during contact sports or caring for someone.

What about deep kissing and oral sex?

Open-mouth kissing: there is no documented risk from saliva. Transmission through kissing has been reported only in extremely rare cases where both people had bleeding gums or open mouth sores and blood was exchanged.

Oral sex: the risk is very low but not zero. It can rise if there are mouth ulcers, bleeding gums, genital sores or other sexually transmitted infections. Oral sex can also spread other STIs such as syphilis and gonorrhoea, so condoms or dental dams still help.

Situations with no risk vs. real risk

Situation	HIV risk	Why
Hugging, shaking hands, sharing a meal	None	No exchange of infectious body fluids
Sharing a toilet, towel or swimming pool	None	HIV does not survive or spread this way
Mosquito bite	None	Insects do not inject blood from a previous bite
Closed-mouth kissing	None	Saliva does not transmit HIV
Oral sex	Very low	Risk rises with sores, bleeding gums or other STIs
Vaginal or anal sex without a condom or PrEP	Real risk	Direct contact with semen, vaginal or rectal fluids
Sharing needles or syringes	Real risk	Direct blood-to-blood exposure

Sex with a partner who has an undetectable viral load

A person living with HIV who takes treatment and keeps an undetectable viral load does not transmit HIV through sex. This is called U=U (Undetectable = Untransmittable).

Why these facts matter

Fear of casual contact is one of the main drivers of HIV stigma at home, in schools and at work. People living with HIV can safely share homes, offices, kitchens and sports facilities with others. Knowing how HIV is actually transmitted protects both your health and the dignity of the people around you.

Worried about a real exposure? If you had sex without a condom or shared needles, speak to a doctor about PEP within 72 hours, and plan an HIV test after the window period.

Need peace of mind?

Check your status privately at home with the iCare HIV 1&2 screening kit.

View iCare HIV Test Kit

Related guides: How HIV Is Transmitted · HIV Myths & Facts · HIV Prevention

Frequently asked questions

Can you get HIV from kissing?

No. Saliva does not transmit HIV. Only extremely rare cases have been linked to deep kissing where both people had bleeding gums or open sores.

Can mosquitoes spread HIV?

No. Mosquitoes and other insects do not transmit HIV. They do not inject blood from one person into another.

Can I get HIV from a toilet seat?

No. HIV does not survive on surfaces in a way that can infect people, and it cannot enter through intact skin.

Is it safe to share food or drinks with someone who has HIV?

Yes. Sharing food, drinks, cups or utensils does not transmit HIV.

Can HIV spread through sweat or tears?

No. Sweat, tears, saliva and urine do not transmit HIV.

Medical note: This page provides general education and does not replace medical advice, diagnosis or treatment. If you have symptoms, a reactive test or a recent possible exposure, contact a qualified healthcare professional.

Authoritative references: WHO: HIV and AIDS · CDC: How HIV Spreads · HIV.gov: How Is HIV Transmitted?