.carolynkor examines the evidence that skeptics—many of them credentialled scientists, others amateur online sleuths and conspiracy theorists—have gathered to support the lab-leak theory.
-like virus was in humans in China that would have been scientifically brilliant.”also exposed another mystery related to the W.I.V. In September, 2019, according to Web pages thatarchived, a W.I.V. database that was once publicly available was made inaccessible. It contained records pertaining to roughly twenty-two thousand samples, including, presumably, the sequences from Tongguan. When asked about it by the BBC, Shi said that the W.I.V.
The experiment, which constituted a type of research known as “gain-of-function,” provoked alarm. There were high-level meetings, op-eds, and reports decrying such work as far riskier than it was valuable. In 2014, President Barack Obama mandated a pause on gain-of-function studies involving influenza,, until a new regulatory process could be created. Baric, however, was in the middle of his chimeric-virus experiment. He petitioned the N.I.H.
In recent months, skeptics of natural origins have pointed to the fact that Shi was running her chimeric-virus experiments in a Biosafety Level 2 lab, which, compared with Biosafety Level 3, doesn’t require the same precautions, such as full P.P.E., medical surveillance for researchers, mandatory biosafety cabinets, controlled airflow, and two sets of self-closing, locking doors.
Daszak, a widely published disease ecologist, also knows that the diversity of viruses in nature is nearly limitless. Most recently, he and other EcoHealth scientists built a model analyzing how frequently coronaviruses might spill over from bats to people across southern China and southeast Asia. They overlaid the habitats of all twenty-three bat species known to harbor-related coronaviruses with maps of human populations.
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