Israel Bird Flu Outbreak: H5N1 Hits Turkey Farms in Nahalal | February 2024
- Israel is currently experiencing a resurgence of H5N1 avian influenza, with a second outbreak confirmed this week at a commercial turkey farm in Moshav Nahalal, in the northern...
- This latest outbreak follows an earlier case detected in early January at a duck breeding site in Sadeh Yaakov, located approximately five kilometers from Nahalal.
- The Ministry is also advising the public to purchase poultry and eggs only from regulated retailers, a precautionary step aimed at minimizing potential exposure.
Israel is currently experiencing a resurgence of H5N1 avian influenza, with a second outbreak confirmed this week at a commercial turkey farm in Moshav Nahalal, in the northern region of the country. Approximately 8,000 turkeys are affected, according to a statement released by Israel’s Agriculture and Food Security Ministry on .
This latest outbreak follows an earlier case detected in early January at a duck breeding site in Sadeh Yaakov, located approximately five kilometers from Nahalal. The Ministry has responded by establishing a 10-kilometer quarantine zone around the affected turkey farm, implementing measures to contain the spread of the virus. These measures include urging owners of ornamental birds, backyard poultry, and free-range flocks to confine their birds indoors.
The Ministry is also advising the public to purchase poultry and eggs only from regulated retailers, a precautionary step aimed at minimizing potential exposure. Officials emphasize that fattening turkeys are particularly susceptible to H5N1, and outbreaks within commercial coops can lead to rapid and widespread mortality – potentially wiping out an entire farm within hours.
In , Israel reported a total of 16 outbreaks of bird flu, with Moshav Nahalal accounting for four of those cases. This pattern highlights the vulnerability of this region to the virus and the potential for repeated outbreaks.
Understanding H5N1 Avian Influenza
H5N1 is a subtype of the influenza virus that primarily infects birds, but can, in rare instances, infect mammals, including humans. The World Health Organization (WHO) notes that while human infections are uncommon, they are a significant public health concern due to the virus’s potential to mutate and become more easily transmissible between people.
The current outbreaks in Israel, and globally, are largely attributed to the spread of the virus by migratory birds. Contact between domestic poultry and infected wild birds is a primary driver of outbreaks in commercial farms. This underscores the importance of biosecurity measures, such as keeping flocks indoors and minimizing contact with wild bird populations.
Global Context and Recent Trends
The recent outbreaks in Israel are part of a broader global pattern of H5N1 activity. According to recent reports, the United States has also seen an increase in H5N1 cases in poultry, with over 3.75 million birds lost to the virus in the past 30 days as of late January . Outbreaks have been concentrated in the upper Midwest, particularly affecting turkey farms.
A recent report from the U.S. Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) indicates that 17 commercial farms have been impacted by outbreaks in the last month. In addition to large-scale commercial operations, several backyard flocks across multiple states have also been affected. A particularly large outbreak occurred at a layer farm in Wisconsin, resulting in the loss of over 3 million birds.
Beyond the U.S. And Israel, H5N8, another avian influenza strain, was detected in poultry in Israel, Hungary, and India in , demonstrating the ongoing global circulation of different avian influenza viruses.
Current Situation in the United States
As of , the Centers for Disease Control and Prevention (CDC) reports that A(H5) bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and U.S. Dairy cows. Sporadic human cases have been identified in U.S. Dairy and poultry workers. While the current public health risk is considered low, the CDC is actively monitoring the situation and collaborating with state health departments to track potential human exposures.
The CDC has streamlined its reporting of A(H5) bird flu human cases, integrating the data with routine influenza surveillance updates. Since , a total of 71 human cases have been reported in the United States. Of these, seven were detected through national flu surveillance, while 64 were identified through targeted human monitoring programs.
The CDC is utilizing its existing flu surveillance systems to monitor for A(H5) bird flu activity in people. Data on the number of people monitored and tested for the virus are available on the CDC website, and are updated monthly.
Looking Ahead
The ongoing outbreaks of H5N1 and other avian influenza strains highlight the constant threat posed by these viruses. The migratory bird season, which is just beginning in some regions, is expected to potentially increase the risk of further outbreaks as birds travel and interact with domestic poultry. Continued vigilance, strict biosecurity measures, and ongoing surveillance are crucial to mitigating the impact of these viruses on both animal and human health.
The situation remains dynamic, and public health officials will continue to monitor the evolution of these viruses and adapt strategies as needed. The Israeli Agriculture and Food Security Ministry, in collaboration with federal partners, is conducting additional surveillance and testing in areas surrounding the affected turkey farm in Sanpete County to assess the extent of the outbreak and prevent further spread.