Zachary Stieber

10 Articles

Swiss Citizen With Ebola Evacuated From Africa

Nigeria’s first Ebola patient this year was evacuated to Switzerland, authorities said on Oct. 26.The female patient and her spouse…

4 Min Read

US-Backed Hepatitis B Vaccine Trial Won’t Be Happening, Researcher Says

A nurse prepares a vaccine against hepatitis in a file photograph. Robyn Beck/AFP via Getty ImagesA study that was set…

4 Min Read

Nigeria Confirms 1st Ebola Case in 2026

People use a sanitization station for those who are entering Kenya immigration services at the Busia One Stop Border Post,…

4 Min Read

Ebola Cases in Kenya Jump, No Community Transmission Yet

Eight Ebola cases have now been confirmed in Kenya, in an outbreak tied to the thousands of cases in another…

4 Min Read

Kenya Confirms 2nd Ebola Case, WHO Says No Signs of Outbreak

Nurses walk into an isolation facility marked with an Ebola alert sign, in Nairobi, Kenya, on Oct. 7, 2026. Luis…

3 Min Read

Journal Retracts COVID-19 Vaccine Paper Based on Faked Content

Science Translational Medicine on Oct. 14 announced the retraction of a paper on COVID-19 vaccination after learning the report contained…

4 Min Read

Some Safety Protections in ChatGPT for Teens Don’t Work, Watchdog Finds

A number of new guardrails introduced by OpenAI in a special version of its widely used artificial intelligence tool do…

4 Min Read

Ebola Spreads to Kenya, Patient Dies

Kenyan Secretary of Health Aden Duale briefs reporters on an Ebola case identified in Kenya, after the patient died, in…

4 Min Read

Vaccine Doesn’t Prevent Gonorrhea Infection in Certain Cases: Clinical Trial

A student receives a Meningitis B vaccine in Canterbury, England, on March 19, 2026. Dan Kitwood/Getty ImagesA vaccine that had…

3 Min Read

3 Scientists Receive Nobel Prize for Brain Activity Research

The Nobel Assembly at Karolinska Institutet has awarded the 2026 Nobel Prize in Physiology or Medicine to three scientists.Dr. Karl…

4 Min Read