Evolution takes place constantly, everywhere in nature. Nevertheless, it is always exciting for biologists to observe evolution "in real time."...
variant
Samples of the virus SARS-CoV-2 are sequenced at widely differing rates around the world.Credit: Prabin Ranabhat/SOPA Images/LightRocket/Getty Many countries sequencing...
Researchers have shown a new compound delivered in a nasal spray is highly effective in preventing and treating COVID-19 caused...
People who gained immunity -- either through vaccination or exposure -- against the original strain of SARS-CoV-2, the virus that...
The antiviral therapies remdesivir, molnupiravir, and the active ingredient in Pfizer's Paxlovid pill (nirmatrelvir), remain effective in laboratory tests against...
Particles (orange; artificially coloured) of the SARS-CoV-2 Omicron variant bud from a cell.Credit: Steve Gschmeissner/SPL Now what?After the Omicron variant...
A temporary COVID-19 isolation facility in Hong Kong.Credit: Bertha Wang/Bloomberg via Getty The rapidly spreading BA.2 variant of SARS-CoV-2 could...
A man is swabbed for SARS-CoV-2 in New Zealand, where the BA.2 subvariant on the rise.Credit: Adam Bradley/SOPA Images/LightRocket/Getty Good...
A new variant of the Hendra virus has been identified by Sydney-led research as a cause of fatal illness in...
Excavations at the Grotte Mandrin rock shelter uncovered stone tools, animal bones and hominin teeth.Credit: Ludovic Slimak Evidence of Europe’s...