Yellow fever
MONDO:0020502Yellow fever (YF), caused by YF virus, is a zoonotic disease characterized by fever and constitutional symptoms, with the potential to progress to severe and fatal viral hemorrhagic fever with shock and multi-organ system failure.
Also known as: YF, Yellow Jack, Yellow fever Virus infection, Yellow fever virus caused disease or disorder, Yellow fever virus disease or disorder, Yellow fever virus infectious disease, bronze John, sylvatic yellow fever
19 clinical trials for this condition and its sub-types, 16 tagged with Yellow fever itself.
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New yellow fever vaccine trial for kids could boost global protection
Vaccine Recruiting nowThis Phase 3 trial tests a new yellow fever vaccine (vYF) in about 2,440 healthy children aged 9 months to 5 years. Researchers will compare vYF to two licensed vaccines (Stamaril and YF-VAX) to see if it triggers a strong immune response and is safe. Some children will also rece…
Phase 3 • Sponsor: Sanofi • Aim: Vaccine
Last updated Jun 27, 2026 12:29 UTC
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Pregnant women needed for yellow fever vaccine study
Vaccine Recruiting nowThis study looks at how well the yellow fever vaccine works and how safe it is for pregnant women compared to non-pregnant women. Researchers will enroll 270 women who received their first yellow fever vaccine either during or outside pregnancy. The goal is to ensure the vaccine …
Sponsor: Institut Pasteur • Aim: Vaccine
Last updated Jun 27, 2026 08:04 UTC
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Scientists probe Skin's hidden defenses before yellow fever shot
Knowledge-focused Recruiting nowThis study looks at immune cells in the skin of 40 healthy adults who have never received a yellow fever vaccine. Researchers will take small skin samples and blood to measure baseline levels of memory T cells. The goal is to understand the skin's natural immune state before vacc…
Sponsor: Institute of Tropical Medicine, Belgium • Aim: Knowledge-focused
Last updated Aug 15, 2026 00:00 UTC
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10,000 people tested: Cambodia's massive disease hunt begins
Knowledge-focused Recruiting nowThis study will test 10,000 people in Cambodia for 57 different infectious diseases, including dengue, flu, and malaria. Researchers want to understand how these diseases spread and who is at risk. The goal is to give local health authorities the information they need to create b…
Sponsor: Institut Pasteur du Cambodge • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:12 UTC