New year, new variant. As 2022 gets under way, omicron, a fast-moving version of the virus that causes COVID-19, is well into its march across the world. As of January 11, a record-breaking total of ...

Jessica was a writer on the Wellness team, with a focus on health technology, eye care, nutrition and finding new approaches to chronic health problems. Expertise Public health, new wellness ...

As the Omicron surge drives infection rates to record highs, testing has emerged as an essential tool for limiting its spread. But over the last month, laboratories and manufacturers have struggled to ...

Abundant, free, rapid tests, many experts argue, are vitally important for mitigating what we know is fast becoming an endemic virus — Covid-19. But that is easier said than done. Between supply ...

Can you test positive for covid-19 without being infectious? Even if you have had three doses of coronavirus vaccine, a positive lateral flow test (LFT) result means you are infectious to other people ...

NEW YORK -- This holiday season held promise for Americans, many of whom spent Christmas 2020 in quarantine or away from loved ones due to a nasty winter COVID-19 surge. Yet in the last week or so, ...

Getting your Trinity Audio player ready... Pfizer is enrolling healthy adults to test a reformulated COVID-19 vaccine that matches the hugely contagious omicron variant, to see how it compares with ...

Moderna launched its first trial for an Omicron-specific booster in adults, the company announced. The trial will test the immune response and safety of the vaccine booster. Moderna CEO Stéphane ...

As Omicron spreads, some experts are calling for a switch to saliva-based tests, which may detect infections days earlier than nasal swabs do. By Emily Anthes Jan. 20, 2022: This article was updated ...

Our indicative theme on Covid-19 Testing Stocks – which includes companies that produce or carry out tests for Covid-19 infections - has underperformed considerably thus far in 2022, declining by ...

The papers, which have not yet been published in scientific journals, suggest that testing just a single type of sample is likely to miss a large share of infections. By Emily Anthes People with ...