A new approach to a Covid-19 nasal vaccine shows early promise | CNN

Scientists in Germany say they've made a breakthrough in the fight against Covid-19 by developing a nasal vaccine that can stop the virus from taking hold in the upper airways. In a series of experiments with hamsters, two doses of the vaccine proved to be effective in blocking the virus's ability to replicate and achieve "sterilizing immunity," a long-sought goal in the pandemic.

The vaccine uses a live but weakened form of the coronavirus that causes Covid-19, which closely mimics the natural process of infection. This approach is promising because it may allow for the development of a more effective vaccine that can prevent illness by targeting the virus before it takes hold in the body.

In addition to its effectiveness in animal studies, the nasal vaccine also has the potential to offer broader protection against future variants of Covid-19 by inducing mucosal immunity and boosting the immune system's ability to respond to new threats. Mucosal vaccines, which deliver their instructions directly to the tissues lining the upper airways, have been shown to be better at priming immune responses than traditional injectable vaccines.

The development of this vaccine is a significant step forward in the global effort to combat Covid-19, but it still has several hurdles to clear before it can become widely available. The scientists behind the vaccine are now working on conducting phase I clinical trials and adapting their approach for use in humans, who will be required to undergo testing before the vaccine can be approved for use.

Other nasal vaccines are already in various stages of development and have shown promising results, but experts caution that more research is needed to ensure their safety and effectiveness. The World Health Organization has confirmed that at least four nasal vaccines are currently undergoing late-stage testing in humans.

The development of a pan-coronavirus vaccine that can induce mucosal immunity and provide long-term protection against future variants is considered crucial to preventing the spread of Covid-19, especially as new variants continue to emerge. With the ongoing pandemic still posing significant risks to public health, researchers are racing to develop innovative approaches like this nasal vaccine to bolster our defenses against Covid-19.

The progress being made in developing a nasal vaccine that can effectively combat Covid-19 is heartening and holds promise for preventing the spread of this highly infectious disease, especially as we continue to navigate the complexities of emerging variants.
 
OMG ๐Ÿคฏ just read about a new COVID-19 vaccine that's like, super promising!!! ๐ŸŒŸ it's a nasal vaccine that can stop the virus from taking hold in the upper airways ๐Ÿšซ and induce mucosal immunity ๐Ÿ’ช which is like, really good news for future variants ๐Ÿค” I mean, scientists are already making progress with hamsters ๐Ÿน and now they're working on phase I clinical trials ๐Ÿ“ it's all about getting this vaccine to humans ASAP ๐Ÿ‘ฅ let's hope we can get rid of COVID-19 once and for all ๐Ÿ’ซ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9449113/
 
I'm so stoked about this new nasal vaccine! It's like, finally some hope against Covid-19 ๐Ÿคฉ. I was stuck in lockdown last year for an entire semester and it was super frustrating not being able to hang out with my friends. This vaccine could be the game-changer we need to get back to normal life. Plus, it's all about targeting the virus before it takes hold, which sounds like a solid plan to me ๐Ÿค“. Let's just hope it gets approved and people can get vaccinated soon! I'm definitely going to make sure I get my shots as soon as they're available.
 
๐Ÿค” So I think its great news that German scientists have made a breakthrough with their nasal vaccine against Covid-19 ๐Ÿšจ It makes sense that a mucosal vaccine would be more effective than traditional injectable ones because its targeting the right spot - the upper airways ๐Ÿ™Œ The fact that it's using a live but weakened form of the virus is also genius, I mean who wants to mess with a full-strength virus? ๐Ÿ˜‚ And it's awesome that they're already working on phase 1 clinical trials and trying to adapt their approach for human use ๐Ÿš€
 
๐Ÿ˜Š I'm thinking it's a game changer if they can get it to work safely and widely available soon. The idea of targeting the virus before it takes hold in the body sounds super promising ๐Ÿ’ก. And the fact that it could offer protection against future variants is a huge bonus ๐Ÿค. But, we have to remember there are still some hurdles to clear before this vaccine can be approved for human use ๐Ÿšง. Fingers crossed they can get through the clinical trials without any major issues and bring some much-needed relief to people around the world โค๏ธ.
 
๐Ÿค” I'm so excited about this breakthrough in developing a nasal vaccine! It's like, totally genius ๐Ÿง . The fact that it can induce mucosal immunity and boost our immune system's ability to respond to new threats is exactly what we need to stay ahead of Covid-19 variants ๐Ÿšจ.

I love how scientists are using hamsters as test subjects - it's like they're saying, 'Hey, let's try this on the smallest creatures first before moving on to humans!' And it's awesome that other nasal vaccines are already in development, too! ๐Ÿ’ก

But what I think is really cool about this nasal vaccine is that it can potentially prevent illness by targeting the virus before it takes hold in our bodies ๐Ÿšซ. No more worrying about getting infected just because you walked into a crowded space! It's like having an invisible force field around your nose and mouth ๐Ÿ˜Š.

Of course, there are still some hurdles to clear before this vaccine becomes widely available, but I'm rooting for the scientists behind it ๐Ÿ’ช. We need all the help we can get when it comes to combating Covid-19, especially with new variants emerging all the time ๐Ÿคฏ.
 
This is so cool! ๐Ÿคฉ A nasal vaccine could be a game-changer in the fight against Covid-19 ๐Ÿ’ช. I mean, think about it - no more constant mask-wearing or taking pills just to feel safe again ๐Ÿ˜ด. This live but weakened virus approach makes total sense and the fact that it's showing promising results in animal studies is huge ๐Ÿญ๐Ÿ’ก. And let's not forget that mucosal immunity is key here - if we can boost our immune system's ability to respond to new threats, we're one step closer to being Covid-19-proof ๐Ÿ’ช๐Ÿฝ. Now, I know it's still early days and there are plenty of hurdles to clear before this vaccine hits the market ๐Ÿšง, but the progress so far is undeniable ๐Ÿ”ฅ. Fingers crossed that this nasal vaccine will be widely available soon and help us take back control of our health ๐Ÿ˜Š.
 
omg ๐Ÿค” i just saw the news about that covid vaccine and i'm like super confused... so they're saying it's nasal and stuff? how does that even work? do you take a big sniff or something? ๐Ÿคช
 
I'm really glad to hear about this new nasal vaccine! It sounds like it could be a game-changer in the fight against Covid-19 ๐Ÿคฉ. I mean, who wouldn't want a vaccine that can stop the virus from taking hold in the upper airways? That's like, a whole different level of protection ๐Ÿ’ช. And the fact that it uses a weakened form of the coronavirus means it could potentially be more effective than other vaccines we've seen so far ๐Ÿค”. Of course, there are still some hurdles to clear before it can become widely available, but I'm optimistic about this one ๐Ÿ˜Š. It's just what we need right now โ€“ another tool in our arsenal against Covid-19 ๐Ÿ”ฌ.
 
This is some cool news! The idea of a nasal vaccine that can stop the virus from taking hold in the upper airways sounds like a total game-changer ๐Ÿ’ก. I'm not surprised they're trying to develop this approach though, considering how well mucosal vaccines work ๐Ÿค”. It's great to see scientists pushing the boundaries and finding new ways to tackle Covid-19 ๐ŸŒŸ. Now we just need to get it through clinical trials and into people's noses ASAP ๐Ÿ’จ! Fingers crossed for a safer and more effective vaccine ๐Ÿ’•
 
this is so cool ๐Ÿคฉ! i was in science class last week and our teacher showed us how vaccines work and it made total sense now... a nasal vaccine sounds like a game changer ๐Ÿ’‰! just imagine not having to get shots every year or dealing with covid-19 at all ๐Ÿ˜Œ. and the fact that it's helping against future variants is amazing ๐Ÿคฏ. i wonder what other new things are coming out in medicine, maybe something to help with stress and anxiety for students like us ๐Ÿ˜“๐Ÿ’†โ€โ™€๏ธ.
 
I'm glad to see some real progress being made on tackling Covid-19 ๐Ÿค. A nasal vaccine sounds like a game-changer, especially if it can prevent the virus from taking hold in our upper airways. I mean, who needs more masks and social distancing rules when we've got a potential cure that could work? ๐Ÿ’Š The idea of inducing mucosal immunity is super promising - it's like having an extra layer of defense against future variants ๐Ÿšซ. Of course, there are still some hurdles to clear before this vaccine can become widely available, but I'm keeping my fingers crossed that we'll see it hit the market soon. Let's keep the momentum going and hope that this breakthrough can help us get back to normal life sooner rather than later ๐Ÿ˜Š.
 
I'm so hyped about this new nasal vaccine!!! ๐Ÿคฉ It's like, finally something good happening in our fight against Covid-19! I mean, using a live but weakened form of the virus is genius ๐Ÿง . And it's not just about the vaccine itself, it's about the potential for mucosal immunity and boosting our immune systems to respond to new threats ๐Ÿ’ช. The fact that this could be the key to preventing illness by targeting the virus before it takes hold in the body is like, a total game-changer ๐ŸŽฎ. I'm all about this! Can't wait to see the results of these phase I clinical trials and hopefully get my hands on this vaccine ASAP ๐Ÿ’‰๐Ÿ‘
 
Just saw this news about the nasal vaccine for Covid-19 and I'm really hoping it's gonna be game changer! The idea of a vaccine that can stop the virus from taking hold in the upper airways is so promising ๐Ÿคฉ๐ŸŒŸ I mean, think about it, no more masks, no more constant testing... just being able to live our lives without Covid-19 holding us back. And the fact that it's not an injectable vaccine is a big plus, so much less invasive. Fingers crossed these phase I clinical trials go smoothly and we get this vaccine on the market ASAP ๐Ÿ’Š๐Ÿ‘
 
omg just heard about dis new covid vaccine ๐Ÿคฏ its like a game changer! they've got some crazy tech behind it where they use a live but weakened form of the virus to make u immune lol sounds like somethin outta sci fi, but idk maybe it's actually gonna save lives? ๐Ÿคž anyway, gotta give props to these germans 4 gettin their act together & makin progress ๐Ÿ’ฏ now let's hope they can get it into ppl's noses ASAP & we can finally start seein some real change! ๐Ÿ’ช
 
๐Ÿค” This new nasal vaccine is like a game-changer for COVID-19, but it makes me wonder, what's the plan for global distribution? ๐ŸŒŽ We've seen how vaccines are often hoarded by countries and left out in the cold for others to access. Is this one going to be any different? Shouldn't we be focusing on making sure every country can get their hands on a fair share of these life-saving doses? It's like, we're fighting a global pandemic, not just a local issue ๐ŸŒŸ
 
๐Ÿงฌ I think it's super exciting news about the new nasal Covid-19 vaccine ๐Ÿšจ! The fact that it uses a weakened form of the coronavirus that closely mimics natural infection is pretty genius ๐Ÿ’ก. It's like, we're trying to trick our immune system into thinking the virus is not a threat, and then it just gets rid of it without even causing any symptoms ๐Ÿ˜Ž. And if it can induce mucosal immunity, that means it could potentially protect us against future variants ๐Ÿšซ. Of course, there are still some hurdles to clear before it's widely available, but I'm all for innovation in the fight against Covid-19 ๐Ÿ’ช.
 
๐Ÿคฉ this is so cool ๐Ÿคฏ they're talking about making a nose spray that stops covid from taking hold in the upper airways... like a shield or something ๐Ÿ’ช it's crazy how they use live but weakened virus, that's some science magic ๐Ÿ”ฎ and inducing mucosal immunity means it can protect us from future variants ๐ŸŒŸ this is exactly what we need to beat covid once and for all ๐Ÿ’ฅ
 
๐Ÿค“ this is like super cool news! i mean, who wouldn't want a vaccine that can stop covid from taking hold in the first place? ๐ŸŒŸ it's crazy how scientists are using hamsters to test this vaccine - who knew they were such good helpers? ๐Ÿ˜‚ anyway, the idea of a nasal vaccine targeting the upper airways is genius! ๐Ÿ’ก i just hope it gets approved and out there soon so we can finally start breathing easy again. ๐Ÿ™
 
This is amazing news ๐Ÿคฉ! I'm so glad scientists are making progress on a nasal vaccine that can stop Covid-19 from taking hold in the upper airways. The idea of using a live but weakened form of the coronavirus is genius and I love how it mimics the natural process of infection ๐Ÿ’ก. Mucosal vaccines are definitely the way forward for me, they make so much sense in preventing illness by targeting the virus before it takes hold in the body ๐Ÿค. It's great to hear that other nasal vaccines are also being developed and shown promising results ๐Ÿ’ช. Let's hope these vaccines can be widely available soon and help us get back to living our lives without fear of Covid-19 ๐Ÿ˜Š.
 
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