Avian influenza vaccines for laying hens prove effective in practice, says the Dutch government

Published May 29, 2024

Tridge summary

The Dutch government has announced the effectiveness of avian influenza vaccines for laying hens, as confirmed by tests conducted by Wageningen Bioveterinary Research last year. The vaccines, produced by Ceva Animal Health and Boehringer Ingelheim, have shown to provide protection against the virus eight weeks after vaccination. The government plans to proceed with large-scale vaccination of poultry, conducting more trials over the next year and half to evaluate the vaccines' effectiveness throughout the laying period. The vaccination approach aims to balance animal and public health, animal welfare, and trade considerations, as concerns about bird flu's transmission to mammals and humans continue to rise globally.
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Original content

Avian influenza vaccines for laying hens are effective in practice, the Dutch government said on Tuesday, while confirming plans to vaccinate poultry against the virus that ravaged flocks around the world and is raising fears about human transmission, reported Reuters. Highly pathogenic avian influenza, commonly called bird flu, has killed or caused the culling of hundreds of millions of poultry globally in recent years, most of them laying hens, which sent egg prices rocketing. A first series of tests by Wageningen Bioveterinary Research (WBVR) early last year showed that two vaccines against bird flu, produced by France's Ceva Animal Health and Germany's Boehringer Ingelheim, were effective against the virus. "In September 2023, 1,800 day-old chicks were vaccinated against bird flu. The results show that the two tested vaccines are effective against infection with the virus eight weeks after vaccination," the Dutch agriculture ministry said in a statement. "The fact that the ...
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