Search results

Phys.org / Two spike 'keys' work together to let SARS-CoV-2 enter cells, study reveals

To enter cells, the COVID-19 virus fuses its surrounding membrane with the membrane of the target cell. This is where the fusion peptides of the spike protein come into play. These regions function as molecular keys that ...

14 hours ago in Biology
Medical Xpress / Vaccination: Why don't we all experience the same side effects?

Redness and pain at the injection site, fever, fatigue or headaches: Vaccines can cause side effects, but their frequency and severity vary considerably from person to person. Why?

19 hours ago in
Medical Xpress / Fiji declares national HIV crisis

Fiji has declared a national HIV crisis as sexual transmission and illicit drug use help spread the virus, now infecting an estimated one in 60 adults in the Pacific nation.

Sep 17, 2026 in
Medical Xpress / Genetic risk for PTSD may vary depending on the type of trauma experienced, large study suggests

A study reveals that your genes may make you more vulnerable to post-traumatic stress disorder (PTSD) from certain types of trauma—particularly childhood neglect—than from others.

Sep 16, 2026 in
Medical Xpress / US officials sidelined warnings about flawed COVID vaccine safety algorithm, investigation finds

U.S. health officials knowingly relied on a compromised algorithm to detect signals of harm from mRNA COVID-19 vaccines and silenced efforts to fix it, finds an investigation published by The BMJ today.

Sep 16, 2026 in
Phys.org / A sharper picture of a pandemic: Uncovering the complex history of the plague after the Black Death

The Black Death is often remembered as a single catastrophic event that swept across Europe between 1347 and 1353, killing millions. Yet the disease did not disappear after that first devastating outbreak. For more than four ...

Sep 16, 2026 in Other Sciences
Medical Xpress / Software rapidly tracks viral variants with high accuracy to aid outbreak responses

It was mid-2020, and Patrick Varilly, a software engineer and data scientist, was stuck at home, eager to help the world navigate the ongoing COVID-19 pandemic. He reconnected with Pardis Sabeti, a core institute member of ...

Sep 16, 2026 in
Phys.org / Hedgehog coronaviruses may threaten cats more than humans, new study finds

Washington State University researchers have discovered how a group of coronaviruses circulating in hedgehogs invades host cells, a key to understanding their potential to jump between species and their risk of causing a ...

Sep 16, 2026 in Biology
Phys.org / Gaming the market: Research provides insights for board game industry

Anyone who has ever damaged a friendship over a supposedly friendly game of Monopoly knows the allure of board games.

Sep 16, 2026 in Other Sciences
Phys.org / How bacteria hijack viruses to shuffle their own DNA

When you think of viruses, you probably think of flu-like symptoms and quarantines. Humankind has suffered from viral diseases ranging from smallpox to COVID-19, hantavirus and Ebola since the dawn of recorded history.

Sep 16, 2026 in Biology
Phys.org / Thousands of the most vulnerable children and young people missing out on mental health support

Some of the most vulnerable children and young people are failing to access mental health support despite having much higher levels of need, according to new research from the University of Cambridge.

Sep 16, 2026 in Other Sciences
Medical Xpress / Dengue‑carrying mosquitoes expand their reach into new territories—including Florida

The Tampa Bay Times reported the death of an older woman on Sept. 8, 2026. Her family says local doctors attributed her death to dengue fever, although the Florida Department of Health has not yet confirmed it.

Sep 15, 2026 in