#respiratorydiseasesareairborne — Public Fediverse posts

Could H5N1 be spread for multiple kilometres by air?

"some reports have proposed that windborne spread plays a significant role in IAV [Influenza A Virus] transmission over longer distances under suitable weather conditions.
➡️ In studies of the severe H7N7 HPAI [Highly Pathogenic Avian Influenza] outbreak in the Netherlands in 2003, one study claimed that wind spread accounted for 18% and another 24% of transmission events up to 25 km.
➡️ Similarly, during the 2007 equine H3N8 influenza outbreak in Australia, 81% of infections within a cluster of 437 horse farms were attributed to windborne spread over a distance of 1-2 km.
➡️ Around the same time, the serological screening of turkeys in Minnesota in 2007-08 revealed that turkey premises within a 1.9 km radius of swine farms were most likely to test seropositive for H3N2 and H1N1 IAVs, thereby suggesting windborne transmission.
➡️ And during the 2014-15 multistate H5N2 HPAI outbreak in the USA, it was estimated that up to 39% of farms in Iowa alone could have experienced windborne infection within a radius of 8.5 km"

1/🧵from this preprint: https://www.biorxiv.org/content/10.1101/2025.02.12.637829v1.full.pdf

h/t @JoePajak

#H5N1 #birdFlu #influenza #fluIsAirborne #influenzaIsAirborne #respiratoryDiseasesAreAirborne #pandemic #publicHealth #health #disease

Could H5N1 be spread for multiple kilometres by air?

"some reports have proposed that windborne spread plays a significant role in IAV [Influenza A Virus] transmission over longer distances under suitable weather conditions.
➡️ In studies of the severe H7N7 HPAI [Highly Pathogenic Avian Influenza] outbreak in the Netherlands in 2003, one study claimed that wind spread accounted for 18% and another 24% of transmission events up to 25 km.
➡️ Similarly, during the 2007 equine H3N8 influenza outbreak in Australia, 81% of infections within a cluster of 437 horse farms were attributed to windborne spread over a distance of 1-2 km.
➡️ Around the same time, the serological screening of turkeys in Minnesota in 2007-08 revealed that turkey premises within a 1.9 km radius of swine farms were most likely to test seropositive for H3N2 and H1N1 IAVs, thereby suggesting windborne transmission.
➡️ And during the 2014-15 multistate H5N2 HPAI outbreak in the USA, it was estimated that up to 39% of farms in Iowa alone could have experienced windborne infection within a radius of 8.5 km"

1/🧵from this preprint: https://www.biorxiv.org/content/10.1101/2025.02.12.637829v1.full.pdf

h/t @JoePajak

#H5N1 #birdFlu #influenza #fluIsAirborne #influenzaIsAirborne #respiratoryDiseasesAreAirborne #pandemic #publicHealth #health #disease

Could H5N1 be spread for multiple kilometres by air?

"some reports have proposed that windborne spread plays a significant role in IAV [Influenza A Virus] transmission over longer distances under suitable weather conditions.
➡️ In studies of the severe H7N7 HPAI [Highly Pathogenic Avian Influenza] outbreak in the Netherlands in 2003, one study claimed that wind spread accounted for 18% and another 24% of transmission events up to 25 km.
➡️ Similarly, during the 2007 equine H3N8 influenza outbreak in Australia, 81% of infections within a cluster of 437 horse farms were attributed to windborne spread over a distance of 1-2 km.
➡️ Around the same time, the serological screening of turkeys in Minnesota in 2007-08 revealed that turkey premises within a 1.9 km radius of swine farms were most likely to test seropositive for H3N2 and H1N1 IAVs, thereby suggesting windborne transmission.
➡️ And during the 2014-15 multistate H5N2 HPAI outbreak in the USA, it was estimated that up to 39% of farms in Iowa alone could have experienced windborne infection within a radius of 8.5 km"

1/🧵from this preprint: https://www.biorxiv.org/content/10.1101/2025.02.12.637829v1.full.pdf

h/t @JoePajak

#H5N1 #birdFlu #influenza #fluIsAirborne #influenzaIsAirborne #respiratoryDiseasesAreAirborne #pandemic #publicHealth #health #disease

Could H5N1 be spread for multiple kilometres by air?

"some reports have proposed that windborne spread plays a significant role in IAV [Influenza A Virus] transmission over longer distances under suitable weather conditions.
➡️ In studies of the severe H7N7 HPAI [Highly Pathogenic Avian Influenza] outbreak in the Netherlands in 2003, one study claimed that wind spread accounted for 18% and another 24% of transmission events up to 25 km.
➡️ Similarly, during the 2007 equine H3N8 influenza outbreak in Australia, 81% of infections within a cluster of 437 horse farms were attributed to windborne spread over a distance of 1-2 km.
➡️ Around the same time, the serological screening of turkeys in Minnesota in 2007-08 revealed that turkey premises within a 1.9 km radius of swine farms were most likely to test seropositive for H3N2 and H1N1 IAVs, thereby suggesting windborne transmission.
➡️ And during the 2014-15 multistate H5N2 HPAI outbreak in the USA, it was estimated that up to 39% of farms in Iowa alone could have experienced windborne infection within a radius of 8.5 km"

1/🧵from this preprint: https://www.biorxiv.org/content/10.1101/2025.02.12.637829v1.full.pdf

h/t @JoePajak

#H5N1 #birdFlu #influenza #fluIsAirborne #influenzaIsAirborne #respiratoryDiseasesAreAirborne #pandemic #publicHealth #health #disease

Could H5N1 be spread for multiple kilometres by air?

"some reports have proposed that windborne spread plays a significant role in IAV [Influenza A Virus] transmission over longer distances under suitable weather conditions.
➡️ In studies of the severe H7N7 HPAI [Highly Pathogenic Avian Influenza] outbreak in the Netherlands in 2003, one study claimed that wind spread accounted for 18% and another 24% of transmission events up to 25 km.
➡️ Similarly, during the 2007 equine H3N8 influenza outbreak in Australia, 81% of infections within a cluster of 437 horse farms were attributed to windborne spread over a distance of 1-2 km.
➡️ Around the same time, the serological screening of turkeys in Minnesota in 2007-08 revealed that turkey premises within a 1.9 km radius of swine farms were most likely to test seropositive for H3N2 and H1N1 IAVs, thereby suggesting windborne transmission.
➡️ And during the 2014-15 multistate H5N2 HPAI outbreak in the USA, it was estimated that up to 39% of farms in Iowa alone could have experienced windborne infection within a radius of 8.5 km"

1/🧵from this preprint: https://www.biorxiv.org/content/10.1101/2025.02.12.637829v1.full.pdf

h/t @JoePajak

#H5N1 #birdFlu #influenza #fluIsAirborne #influenzaIsAirborne #respiratoryDiseasesAreAirborne #pandemic #publicHealth #health #disease