HIV Vaccine Awareness Day (US)
HIV Vaccine Awareness Day on 18 May thanks the volunteers, scientists and communities working towards a preventive HIV vaccine.
- UK (not marked)
- USA
- Ireland (not marked)
- Canada (not marked)
- Australia (not marked)
- New Zealand (not marked)
- UAE and Gulf (not marked)
- International (not marked)
About the day
HIV Vaccine Awareness Day is held on 18 May each year. The US National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health, leads the observance.
The day thanks volunteers, community members, health professionals and scientists working to find a safe and effective preventive HIV vaccine. It is also a time to educate communities about why preventive HIV vaccine research matters.
It suits sexual health services, pharmaceutical and research firms, HIV charities, universities and health publishers.
Dates for the next three years
| Year | Date | Where | Status |
|---|---|---|---|
| 2027 | Tuesday 18 May 2027 | USA | Same date every year |
| 2028 | Thursday 18 May 2028 | USA | Same date every year |
| 2029 | Friday 18 May 2029 | USA | Same date every year |
Sectors this day suits
Types of business that could link their activity to this day.
- Sexual health services
- Pharmaceuticals
- Clinical research
- Health charities
- Universities
- Health publishing
Questions and answers
When is HIV Vaccine Awareness Day (US) 2027?
HIV Vaccine Awareness Day (US) 2027 is on Tuesday 18 May 2027. It falls on the same date every year.
Who organises HIV Vaccine Awareness Day (US)?
HIV Vaccine Awareness Day (US) is organised by the National Institute of Allergy and Infectious Diseases (NIAID).
Where is HIV Vaccine Awareness Day (US) marked?
HIV Vaccine Awareness Day (US) is marked in the USA.
Where do these details come from?
We checked these details against two sources, including HIV.gov: HIV Vaccine Awareness Day. They were last checked on 28 October 2026.
Where this information comes from
Spotted a mistake? If you run this day, claim it to correct it.

