--- title: Scientists are Testing mRNA Vaccines to Protect Cows and People Against Bird Flu | TIME description: A third dairy worker in the U.S. has tested positive for the bird flu infection that is causing outbreaks in cattle in at least nine states. canonical: https://time.com/video/VaUaQtwX/ og:title: Scientists are Testing mRNA Vaccines to Protect Cows and People Against Bird Flu og:description: A third dairy worker in the U.S. has tested positive for the bird flu infection that is causing outbreaks in cattle in at least nine states. og:url: https://time.com/video/VaUaQtwX/ og:image: https://cdn.jwplayer.com/v2/media/VaUaQtwX/poster.jpg?width=720 og:type: video.other twitter:card: summary_large_image twitter:title: Scientists are Testing mRNA Vaccines to Protect Cows and People Against Bird Flu twitter:description: A third dairy worker in the U.S. has tested positive for the bird flu infection that is causing outbreaks in cattle in at least nine states. twitter:image: https://cdn.jwplayer.com/v2/media/VaUaQtwX/poster.jpg?width=720 --- * World # Scientists are Testing mRNA Vaccines to Protect Cows and People Against Bird Flu > Sponsored content. 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They are at time.com/newsletters and are separate from a paid subscription. ## Video: Scientists are Testing mRNA Vaccines to Protect Cows and People Against Bird Flu [Watch (HLS stream): Scientists are Testing mRNA Vaccines to Protect Cows and People Against Bird Flu](https://cdn.jwplayer.com/manifests/VaUaQtwX.m3u8) (2:21)  _Published 2024-05-31. A third dairy worker in the U.S. has tested positive for the bird flu infection that is causing outbreaks in cattle in at least nine states._ --- Jun 10, 2024 1:33 PM UTC --- ## More From This Series [All Videos](https://time.com/video/) [Bird Flu: What's At Risk For You](/video/h7ByYR2R/) ### Bird Flu: What's At Risk For You [Bird Flu Was Found in Chickens at the Largest U.S. Egg Producer](/video/PbLybli2/) ### Bird Flu Was Found in Chickens at the Largest U.S. Egg Producer [Nobel Prize in Medicine Goes to Scientists Behind mRNA COVID Vaccines](/video/4wOCJg0m/) ### Nobel Prize in Medicine Goes to Scientists Behind mRNA COVID Vaccines --- ## Transcript We've seen since late 2021 is the bird floor, the Hive virus, that sort of used to be a problem of other parts of the world has come to the Americans and over the ensuing couple of years has spread widely and bird populations, and somewhere, either at the end of last year or early this year, that virus has somehow found its way into dairy cattle and, you know, unfortunately, has been spreading ever since. I think right now in the epidemiology of this infection of cows, we don't know where it's heading. It could burn through the population and burn itself out in a few weeks and a few months, or it could be here to stay. You know, I think it's too early to tell which of those routes this is going to take, and we have no sort of historical data to base it on. What the COVID 19 pandemic taught us was, some of these newer technologies can be used Trapily prepare vaccines against emerging threats like the H five virus. And so, you know, the particular work that we're involved in here with colleagues in Pennsylvania, we're actually to use that same technology that was used essentially to make a COVID vaccine. But instead of expressing the coronavirus, antigens, it was expressing fluid antigens. Right now, this particular virus much prefers to be a bird virus or, I guess, in this case, even a cow virus as well, but you know, the risk to humans is low, but it's certainly not zero. And the more opportunity we give this virus to grow in different hosts who be subjected to different environments. You know, this is a virus. This is a flu virus. What viruses do best, they change. So the more opportunities we give this virus to change, you know, then again, we do increase the risk to humans. But right now, you know, it is low. It's not a virus, that's very infectious for humans at all. There is no perfect vaccine approach to any of it. They all have their drawbacks. They all have their pluses. So, you know, of course, if we have attacked the problem with multiple solutions, then that's absolutely going to be the best position we can be in. ```json {"@context":"https://schema.org","@type":"VideoObject","name":"Scientists are Testing mRNA Vaccines to Protect Cows and People Against Bird Flu","description":"A third dairy worker in the U.S. has tested positive for the bird flu infection that is causing outbreaks in cattle in at least nine states.","thumbnailUrl":"https://cdn.jwplayer.com/v2/media/VaUaQtwX/poster.jpg?width=720","uploadDate":"2024-05-31T18:07:47.000Z","contentUrl":"https://cdn.jwplayer.com/manifests/VaUaQtwX.m3u8","embedUrl":"https://time.com/video/VaUaQtwX/","duration":"PT2M21S","potentialAction":{"@type":"SeekToAction","target":"https://time.com/video/VaUaQtwX/?jw_start={seek_to_second_number}","startOffset-input":"required name=seek_to_second_number"}} ```