Tag: spreading

The Delta variant of coronavirus is driving the pandemic forward in Africa at record speeds, the World Health Organization (WHO) warned on Thursday. Infection numbers have increased in Africa for six weeks running, rising by a quarter week-on-week to almost 202,000 in the week that ended Sunday, it said. The continent’s weekly record currently stands

The faster-spreading B.1.1.7 variant of SARS-CoV-2 first detected in the United Kingdom, the coronavirus that causes COVID-19, is quickly on its way to becoming the dominant variant of the virus in the United States, according to a study from scientists at Scripps Research and the COVID-19 test maker Helix. The findings, which appear today in

A superbug resistant to all known antibiotics that can cause “severe” infections or even death is spreading undetected through hospital wards across the world, scientists in Australia warned on Monday. Researchers at the University of Melbourne discovered three variants of the multidrug-resistant bug in samples from 10 countries, including strains in Europe that cannot be

Fighting cancer means killing cancer cells. However, oncologists know that it’s also important to halt the movement of cancer cells before they spread throughout the body. New research, published today in the journal Nature Communications, shows that it may be possible to freeze cancer cells and kill them where they stand. Raymond Bergan, M.D., Division

A brain protein called tau is known to play a key role in the development of Alzheimer’s disease. Our brain cells have a “transport system” made of straight, parallel “roads,” along which food molecules, nutrients, and discarded parts of cells can travel. In a healthy brain, the protein tau helps these tracks to stay straight.