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Could a nose spray a day keep COVID away?

Scientists are working on fast-acting nasal sprays to block coronavirus infections — but formulating the sprays is a challenge.
  1. Max Kozlov
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During the throes of the COVID-19 pandemic, Anne Moscona didn’t feel safe going to a restaurant or catching a flight. And she wished she could feel confident that she could see her immunocompromised relatives without inadvertently spreading the novel coronavirus to them. All this made her work personal: for the past decade, Moscona, a molecular virologist, had been hunting for compounds that could stop viruses in their tracks, before the pathogens infect even a single cell in a person’s body.

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doi: https://doi.org/10.1038/d41586-022-03341-z

References

  1. De Vries, R. D. et al. Science 371, 1379–1382 (2021).

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  2. Shapira, T. et al. Nature 605, 340–348 (2022).

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