Last month, a new COVID-19 variant from the omicron family spread across Oregon, causing a seventh wave of infections. On paper, this seventh wave hasn’t looked particularly impressive, peaking in ...
After an in-depth analysis of the genetic material from hundreds of swabs taken from the walls, floors, machines and drains inside the Huanan Seafood Wholesale Market in Wuhan, China — a site that’s ...
Hampshire et al. (Feb. 29 issue) 1 report that in a large cohort of adults living in the United Kingdom, participants with persisting symptoms after Covid-19 apparently had more neurocognitive ...
Since early 2020, New York City has become a pioneer of wastewater surveillance, a method of tracking diseases in sewage that gained prominence during the COVID-19 pandemic. But city agencies are not ...
The World Health Organization has urged China to share data to help understand the origins of Covid-19, five years on from the start of the pandemic in the Chinese city of Wuhan. On December 31, 2019, ...
If it had come from somewhere else first, and then traveled to the market where its spread was amplified — as a lab leak theory of Covid-19’s origin suggests — the timing of the emergence of the virus ...
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