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‘Tomorrow After’ Nasal Spray May One Day Fight COVID, Stanford Researchers Suggest

‘Tomorrow After’ Nasal Spray May One Day Fight COVID, Stanford Researchers Suggest

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PALO ALTO, California (CROWN) – A nasal spray could one day help stop the infection and spread of COVID-19, suggests a study by researchers from both Stanford and the University of California, San Francisco.

Researchers said that in the future it might be possible to stop a respiratory virus in its tracks with just a nasal spray, even if a person thinks they’ve been exposed.

Professor Peter Jackson is an immunologist and microbiologist at Stanford who has been studying the entry and exit points of COVID since the beginning of the pandemic.

“By studying how the COVID-19 virus enters the airways and spreads, we were able to find a key molecule that we could use to target and block that spread that would prevent the virus from not only entering your body and has dire consequences, like the mortality that people are seeing, but would also block the spread of the virus to other people,” he said.

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The spray would be used after someone thinks they have been in contact with an infected person, to prevent the virus from growing into something serious in the body, while also slowing its spread to others.

“If you were walking in a crowded place, if you knew that some people had a fever, if you knew that some people said, ‘I think I’m infected’, if someone had a high fever and you were really, really scared, that you would get the virus, then that would be an appropriate time to use it,” Jackson said.

That’s because, according to Jackson’s research, it takes up to 48 hours for a virus like COVID to replicate and wreak havoc on the body, providing a window of opportunity to block that process.

The professor said, a spray like that – what Stanford medicine described as a possible “morning after” spray – is not something that should be used daily, but rather when a person is more confident of exposure.

“Delaying the entry, exit, or spread of viruses with a locally applied, short-acting drug would help our immune system catch up and arrive in time to stop a full-blown infection and hopefully limit future pandemics,” Jackson said in an article by Stanford Medicine.

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