SARS-CoV-2 – latest news.

COVID 19 Tech

Booster protection from omicron hospital stay dips from 91% to 78%

Enlarge / A vial containing Moderna COVID-19 booster vaccine at a vaccination center. (credit: Getty | SOPA Images) COVID-19 booster doses are largely holding up against the ultratransmissible omicron variant, despite the fact that protection inevitably wanes over time, according to a recent study published by the Centers for Disease Control and Prevention. Still, with […]

COVID 19 Tech

Moderna’s omicron booster was only as good as current vaccine in monkey study

Enlarge / A vial of the current Moderna COVID-19 vaccine. (credit: Getty | Ivan Romano) In a small group of monkeys, an omicron-specific version of Moderna’s COVID-19 vaccine did not protect against the omicron variant better than Moderna’s current, highly effective booster. This finding casts doubt on whether a switch to variant-specific doses is necessary. […]

COVID 19 Tech

CDC turns to poop surveillance for future COVID monitoring

Enlarge / Aeration System, Hill Canyon Wastewater Treatment Plant, Camarillo, Ventura County, California. (credit: Getty | Universal Images Group) The Centers for Disease Control and Prevention on Friday announced it is now publicly logging levels of SARS-CoV-2 found in sewage from around the country. The announcement elevates a growing system for wastewater surveillance that the […]

COVID 19 Tech

For T-cells, omicron is nothing unusual

Enlarge / False-color image of a T-cell (orange) latching on to a cell in preparation for killing it. (credit: Getty Images) From the start, the omicron variant had people worried because its version of the spike protein carried mutations in many of the sites that are recognized by antibodies. This meant that antibodies generated to […]

COVID 19 Tech

OSHA will try a different route to a vaccine mandate for businesses

Enlarge (credit: OSHA) On Tuesday, the Occupational Safety and Health Administration (OSHA) announced it was withdrawing its planned vaccine mandate for businesses with 100 or more employees. The decision comes in the wake of a Supreme Court ruling that blocked OSHA from implementing the mandate while lawsuits opposing it made their way through lower courts. […]

COVID 19 Tech

WHO warns of potential for more variants as omicron subvariant found in US

Enlarge / World Health Organization (WHO) Director-General Tedros Adhanom Ghebreyesus (credit: Getty | Fabrice Cof) The head of the World Health Organization on Monday dampened optimism that the pandemic will subside in omicron’s wake, noting that global conditions are still ideal for the emergence of new variants. “There are different scenarios for how the pandemic […]

COVID 19 Tech

Two cannabinoids have opposing effects on SARS-CoV-2 in culture

Enlarge / Don’t try this at home. Seriously. We mean it. (credit: Anna Efetova) Over the course of the COVID-19 pandemic, researchers have tested a wide range of drugs to see if they inhibit the virus. Most of these tests didn’t end up going anywhere; even the few drugs that did work typically required concentrations […]

COVID 19 Tech

Immune system vs. virus: Why omicron had experts worried from the start

Enlarge / Illustration of antibodies responding to an infection of SARS-CoV-2. (credit: Getty Images/Kateryna Kon/Science Photo Library) Right from omicron’s first description, researchers were concerned about the variant of the SARS-CoV-2 virus. Looking over the list of mutations it carried, scientists could identify a number that would likely make the variant more infectious. Other mutations […]

Tech

Omicron is not mild and is crushing health care systems worldwide, WHO warns

Enlarge / World Health Organization (WHO) Director-General Tedros Adhanom Ghebreyesus speaks during a press conference on December 20, 2021 at the WHO headquarters in Geneva. (credit: Getty| Fabrice Coffrini) The World Health Organization on Thursday pushed back on the consistent chatter that the ultratransmissible omicron coronavirus is “mild,” noting that the variant is, in fact, […]

COVID 19 Tech

Preliminary data suggests two doses of J&J vaccine help with omicron

Enlarge (credit: RAJESH JANTILAL / GETTY IMAGES ) Based on various measures, the Johnson & Johnson COVID-19 vaccine has appeared to be less effective than those based on mRNA technology. It has also been associated with some rare blood clotting complications that recently caused the CDC to revise its endorsement associated with the vaccine. Still, […]