Omicron’s arrival in November 2021 took scientists by surprise. Not because there was a new variant on the block, but because it had many and unusual mutations—some rare and others that had never been ...

If you get COVID-19 in the United States right now, chances are high that it’s the Omicron variant, which now accounts for around 95 percent of the country’s reported cases. With dozens of mutations, ...

The principals of a B.C. construction company that was acquired by a green building materials company that is now battling bankruptcy have their company back. Five Omicron Canada principals -- Bill ...

A new study shows that the SARS-CoV-2 Omicron variant is less effective than Delta at blocking a cellular defense mechanism against viruses, the so-called 'interferon response'. Moreover, cell culture ...

Manal Mohammed is a senior lecturer of medical microbiology at the University of Westminster. Since the COVID variant Omicron emerged in late 2021, it has rapidly evolved into multiple subvariants.

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. Omicron upended our ...

It’s one of the perplexing mysteries of the Covid pandemic: Where did Omicron emerge from, almost one year ago? The fast-moving, extremely contagious variant arrived just after Thanksgiving 2021, ...

In a study published in JAMA Network Open today, scientists report on how effective the original vaccine and booster shots are against the COVID-19 Delta and Omicron variants. Researchers in Ontario ...

FORT LAUDERDALE, Fla. — Initially, enduring COVID had one redeeming quality: It gave you some short-term immunity from getting infected again. But the new omicron subvariants are shattering that trend ...

For much of the pandemic, the only silver lining to coming down with a case of COVID-19 was that you likely wouldn't catch it again for a while (though there isn't exactly a definitive answer on how ...

In the third year of the coronavirus disease 2019 (Covid-19) pandemic, the omicron variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has swept the globe and yielded several ...