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Can the nasal vaccine help prevent infection or transmission of COVID-19?

Can the nasal vaccine help prevent infection or transmission of COVID-19?

 


News earlier this week that China and India plan to roll out nasal vaccines underscores the fact that better protection against COVID-19 infection and transmission is still needed in the first place.

In the United States, currently available shots are doing a good job of preventing people from ultimately being hospitalized or dying. I’m here. However, the difference between what nasal and intramuscular vaccines can do is striking, primarily in that they provide mucosal immunity.

Dr. Eric Topol, director of the Scripps Research Translational Institute, told MarketWatch earlier this summer: “Because it basically prevents the virus from entering the nasal mucosa and he produces IgA antibodies that current injections don’t give.”

Canshino Biologics
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China’s inhalation vaccine and India’s Bharat Biotech nasal vaccine are just two of at least 100 oral or nasal vaccines in development worldwide. according to natureIn the US, work is underway to develop an intranasal vaccine on Mount Sinai, CyanVac, and Xanadu Bio. (Both companies are privately held.)

Even the World Health Organization considered a nasal vaccine this week.

“The advantage of nasal vaccines is that they generate an immune response at the respiratory mucosal surface of the lungs,” said WHO Health Officer Dr. Michael Ryan. “In effect, it creates a first line of defense where the virus gets in and does a lot of damage.”

Other COVID-19 news you should know:

modern
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estimates that the annual COVID-19 vaccination market in the United States could be as high as $12.9 billion and as low as $5.2 billion. According to BloombergEarlier this week, health officials said they expected people to need a COVID-19 booster each fall, similar to a flu shot.

Vitamin D supplements do not prevent illness from COVID-19 infection or other respiratory diseases, according to a new randomized controlled study. clinical trial in England study A study that gave Norwegians cod liver oil, considered a low-dose vitamin D supplement, made similar findings.Both studies were published this month in the British Medical Journal. Dr. Arne Søraas, a researcher at Oslo University Hospital, said: told CNN.

The seven-day average number of new COVID-19 infections fell below 70,000 for the first time in four months, marking the second straight month of decline. His daily average on Thursday was 68,356, down 25% from two weeks ago. According to the New York Times trackerThe daily average of hospitalizations fell to 35,388, while the daily average of deaths fell to a two-month low of 383 on Thursday. – Tommy Kilgore

Sources

1/ https://Google.com/

2/ https://www.marketwatch.com/story/can-nasal-vaccines-help-prevent-covid-19-infectionsor-transmission-11662736739

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