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In 2020 experts at the U.S. Biomedical Advanced Research and Development Authority (BARDA) and other public health agencies watched a presentation that many thought was impractical at the time. Several companies proposed to regularly sample wastewater from sewers and treatment plants and run tests to detect SARS-CoV-2—the virus that causes COVID-19. People excrete the virus … Read more
SARS-CoV-2 is not picky about its host. Since the virus first started spreading among humans, it has jumped from our species to pets, livestock, and even wild animals. Cats appear to be particularly susceptible to contracting COVID, although they often don’t show symptoms, and it’s unlikely that they can pass the virus back to us. Even … Read more
It sounds simple, but to treat someone you suspect has COVID, you need to confirm they are actually infected with the coronavirus. In the UK, it is easy to take this for granted – we’ve had a reliable detection method for diagnosing infected patients widely available since early on in the pandemic. This allowed for … Read more
By Michael Le Page, Clare Wilson, Jessica Hamzelou, Sam Wong, Graham Lawton, Adam Vaughan, Conrad Quilty-Harper, Jason Arunn Murugesu, Layal Liverpool, Carissa Wong and Alex Wilkins In vitro fertilisation Mike Kiev/Alamy Latest coronavirus news as of 11am on 2 March A study of 43 countries suggests the coronavirus pandemic has substantially pushed back fertility treatments, … Read more
If a pregnant woman catches COVID, it’s very rare for the virus to be passed through the placenta to the fetus. But it’s long been known that a mother’s antibodies can cross the placental barrier to the baby and can also be transferred via breast milk after the baby is born. This is why it’s … Read more
Last Friday the Centers for Disease Control and Prevention announced a pivot in its guidelines for indoor mask wearing that suggests that more than two thirds of Americans no longer need to wear masks—including children in schools. “We want to give people a break from things like mask wearing when our levels are low and … Read more
By Michael Le Page, Clare Wilson, Jessica Hamzelou, Sam Wong, Graham Lawton, Adam Vaughan, Conrad Quilty-Harper, Jason Arunn Murugesu, Layal Liverpool, Carissa Wong and Alex Wilkins A child receives a dose of Pfizer/BioNTech covid-19 vaccine Alexandre Schneider/Getty Images Latest coronavirus news as of 12pm on 1 March Study suggests that protection from two doses of … Read more
China’s aggressive “zero COVID” strategy has served it remarkably well. The country has reported fewer than 154,000 cases and 5200 deaths from COVID-19 so far, a tiny fraction of the figures in the United States. But as the highly transmissible Omicron variant seeps into the country and the social and economic costs of the zero … Read more
The coronavirus exposed and exacerbated the fragility and inequity of the global economic system. Many countries, including the U.S., proved unable to manufacture simple products such as face masks, let alone more complicated ones such as ventilators. Multiple supply chains broke. The resulting ordeal will almost surely lead to the creation of more onshore production … Read more
It’s been a tough two years. I hope you and yours are as safe and healthy as possible at this stage of the COVID pandemic. Like everyone, we at Scientific American have been thinking about this terrible disease constantly and trying to make sense of it. We’ve published hundreds of articles about the coronavirus itself, … Read more